Mathematics College

Giving BRAINLYIST to whoever gets it right! PLEASE HELP!

Answers

Answer 1

Answer:

area = 117 cm²

Step-by-step explanation:

area = 1/2(b1 + b2)h

area = 1/2(17 + 9)(9)

area = 117 cm²

Answer 2

Answer:

A=117

Step-by-step explanation:

:))

Related Questions

PLEASE ANSWER ASAP FOR BRAINLEST, REALLY EASY QUESTION!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer: 3.2%

Step-by-step explanation: i searched it up

A movie theater has 940 seats. Tickets were sold for 846 of the seats. For what percent of the seats were tickets sold?

Answers

Answer:

90 percent

Step-by-step explanation:

How does the mean and median change from plot 1 to plot 2?
The mean and median remain the same.
The mean decreases, and the median remains the same.
The mean remains the same, and the median decreases.
The mean and median decrease.

Answers

Answer:

It’s B maybe not 100%

sure

Step-by-step explanation:

lol tell me if I’m correct

Question:

How does the mean and median change from plot 1 to plot 2?

A.The mean and median remain the same.

B.The mean decreases, and the median remains the same.

C.The mean remains the same, and the median decreases.

D.The mean and median decrease.

Answer:

B.The mean decreases, and the median remains the same.

Simplify the expression to a + bi form:
(3+10i)-(-12-8i)

Answers

Answer:

15 + 18i

Step-by-step explanation:

(3 + 10i) - (-12 - 8i) = 3 + 10i - 12*(-1) - 8i*(-1)

= 3 + 10i +12 + 8i

= 3 + 12 + 10i + 8i {Combine like terms}

= 15 + 18i

15+18i
Once u know it you will say how did u not know this

what is the median of 16, 20, 20, 23, 25, 27, 29, 31, 31, and 32.

Answers

Answer:

Step-by-step explanation:

The madian is gis

Find the perimeter of the polygon with the vertices G(2, 4), H(2,−3), J(−2,−3), and K(−2, 4).

Answers

Answer:

22 units

Step-by-step explanation:

Graphed to solve.

Width:

The distance between points K and G, and points J and H is both 4 units. So for both distances between the set of points will be 8 units total.

Length:

The distance between points G and H, and points J and K is both 7 units. So for both distances between the sets of points will be 14 units total.

14 + 8 = 22

Consider the following statement. ∀ integer d, if 6 d is an integer then d = 3. Which of the following is a negation for the statement? ∃ an integer d such that 6 d is an integer and d ≠ 3. ∃ an integer d such that 6 d is not an integer and d = 3. ∀ integer d, if 6 d is not an integer, then d ≠ 3. ∀ integer d, if d ≠ 3, then 6 d is not an integer. ∀ integer d, if d = 3, then 6 d is an integer.

Answers

Answer:

The correct option is the first:

∃ an integer d such that 6d is an integer and d ≠ 3

Step-by-step explanation:

If 6d is an integer, then d = 3

Let's divide the statement into two:

Let "If 6d is an integer" be p and "then d = 3" be q.

The statement is a conditional statement. Therefore, we have

p ⇒ q

The negation of p ⇒q, ¬(p ⇒ q) ≡ p ∧ ¬q

I have attached an image proving the above.

Using this: ¬(p ⇒ q) ≡ p ∧ ¬q

Then, we leave p as it is and negate q.

P is "if 6d is an integer"

q is "then d = 3," hence ¬q is "then d ≠ 3."

Therefore, the negation of "If 6d is an integer, then d = 3" is "If 6d is an integer, then d ≠ 3."

The correct option is the first:

∃ an integer d such that 6d is an integer and d ≠ 3

please help will mark brainly

Answers

Answer:

answer is 7.51 so round to 7.5

8a+11-2b for
a =4.b=2

Answers

Answer:

Step-by-step explanation:

8(4) + 11 -2(2)

32 + 11 - 4

43 - 4

In which set does −17/3 belong?

Answers

Answer:

Rational Numbers

Step-by-step explanation:

As,

Whole Numbers-

All the natural numbers that is 1,2,3..... and 0 are called whole numbers.

Integers-

All the negative numbers that is -1, -2, -3..... and positive numbers that is 1,2,3...... and 0 are called integers.

Rational Numbers-

All the fractional numbers like, 7/8, 3/7 ....., non fractional numbers like, -17/3 , -6/8 ..... and all integers are called rational numbers.

Hence,

As per the description -17/3 is a rational number.

Rational numbers
Hope this helps you. Have a great day!

!!!50 POINTS PLZ HELPPPP!!!!!! Which of the following shows the graph of y = –(2)x – 1?

Answers

I think its this one. Please correct me if i’m wrong!!

Help me with this question. Thx!

Answers

what the person said above me ( a function)

How do I solve this ...........................

Answers

Answer:

proportion: 3/2 roses = 38.70, (3/2)/38.70 = 1/x, x = 25.80 dollars I believe

Step-by-step explanation:

PLEASE HELP ME PLEASE!

Answers

A and b are irrational because we can’t graph them on a number line. One is a square root and the either is a decimal which is combined with the square root. The second is rational because the square root of 225 is 15 which can be graphed on a number line. 2.5 can also be graphed on a number line. We multiply these and get 37.5 which is possible to graph. 20 is irrational since it is not a perfect square. Therefore, it is difficult to add a square root and a decimal.

Does the graph represent a function?

Answers

Answer: NO

Step-by-step explanation:

Ariel takes 3 pages of notes during each hour of class. In all, how many hours will Ariel
have to spend in class before she will have a total of 36 pages of notes in her notebook?

Answers

Answer:

12 hours

Step-by-step explanation:

36 divide that by 12 and she has 12 hours to write on 36 pages

What is the area of the school crossing sign represented below?
15 inches 15 inches
15 inches
15 inches
help me plsss

Answers

C. 675 square inches

zero is the same as the product 5 and a number minus 15

Answers

Answer:

Step-by-step explanation:

5 × 3 -15 = 15 - 15 = 0

please help
Find the missing side of this right
triangle.
X
7
12
X
= [?]

Answers

Answer:

√193

Step-by-step explanation:

pathagorus theorem:

[tex]( {hyp})^{2} = ( {base)}^{2} + ( {perp)}^{2} [/tex]

hyp=x , base= 12 , perp= 7

subtitles all values in formula:

we get

x^2 = 12^2 + 7^2

x^2 = 144 +49

x= √193

The missing side of this right triangle is, 13.90 units.

What is mean by Triangle?

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

We have to given that;

The base of the triangle = 12

The perpendicular distance of the triangle = 7

Now, We know that;

Pythagoras theorem stated as;

⇒ Hypotenuse² = Base² + Perpendicular²

⇒ x² = 12² + 7²

⇒ x² = 144 + 49

⇒ x² = 193

⇒ x = √193

⇒ x = 13.90

Thus, The missing side of this right triangle is, 13.90 units.

Learn more about the triangle visit;

brainly.com/question/1058720

#SPJ2

if an angle measures 18° what is the measure of its complement

Answers

Answer:

Hey mate......

Step-by-step explanation:

This is ur answer.....

Complement Angle = 90°

= 90 - 18

= 72

--> 72° is the complement angle of 18°

Hope it helps!

mark me brainliest pls.....

Follow me!

Using the diagram, which fraction is equivalent to 1?

Answers

Answer:

5/5

Step-by-step explanation:

Wheaties cereal is claimed to have an average of 3 grams of dietary fiber per serving. We want to test this hypothesis and to see whether we believe that is true or that the mean amount of fiber is significantly different from 3 grams. A random sample of 25 servings was taken and it yielded a sample mean of 3.4 grams with the sample standard deviation in the amount of fiber, s = .8 grams.
Assume that software has determined the p-value to be.02.
What would your decision be on this hypothesis test if everything is the same except that we change the level of significance for the test to.01?
Fail to reject the null hypothesis at the 1% level of significance.
Reject the null hypothesis at the 1% level of significance,

Answers

Answer:

The calculated value t = 2.5>2.326 at 0.01 level of significance

The null hypothesis is rejected at a 0.01 level of significance.

Wheaties cereal is not claimed to have an average of 3 grams of dietary fiber per serving

Step-by-step explanation:

Step(i):-

Given that the average of dietary fiber per serving μ = 3 grams

Given that the mean of the sample x⁻ = 3.4 grams

Given that the standard deviation of the sample (S) = 0.8 grams

Level of significance = 0.01

Critical value = 2.326

Step(ii):-

Null hypothesis: H₀: μ = 3 grams

Alternative Hypothesis: H₁: μ ≠ 3 grams

Tets statistic

[tex]t = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }[/tex]

[tex]t = \frac{3.4-3 }{\frac{0.8}{\sqrt{25} } }[/tex]

t = 2.5

The calculated value t = 2.5>2.326 at 0.01 level of significance

The null hypothesis is rejected at a 0.01 level of significance.

Final answer:-

Wheaties cereal is not claimed to have an average of 3 grams of dietary fiber per serving

find the value of x ....

Answers

Answer:

Step-by-step explanation:

3x-9+30+24=180

3x+45=180

3x=135

x=45

2 1/2 ft x 1/4 ft
please help

Answers

Step-by-step explanation:

0.0580644 m2 hope this helps

Step-by-step explanation:

Here,

[tex] \frac{21}{2}ft \: \times \: \frac{1}{4} ft[/tex]

[tex] = \frac{21}{8} {ft}^{2} [/tex]

OR :

[tex]2 \frac{5}{8} {ft}^{2} \: \: also \: \: \: 2.625 {ft}^{2} [/tex]

if i have 2 pans of brownies and i give away 1 5/6. How many browniea do i have left? in a fraction?

Answers

Answer: Multiply

2 * 1 5/6

Convert 1 5/6 into an improper fraction:

2 * 11/5

Multiply:

22/5

Convert to mixed number:

4 2/5

So 22/5 or 4 2/5 of a pan of brownies was left.

Answer:

1/5

Step-by-step explanation:

You randomly choose one of the tiles shown. Find the number of Ways the event
1) Choosing an odd number.
2) Choosing a number greater than 8

Answers

I think the answer is choosing an odd number

joe spend 1 1/3 hours studying for his math test. randy studied for 1/2 the amou t the time that joe did. what fraction of an hour did randy spend studying

Answers

Step-by-step explanation:

Lets convert 1 1/3 into improper fraction.

[tex]1 \frac{1}{3} = \frac{1 \times 3 + 1}{3} \\ = \frac{4}{3} [/tex]

Since Randy studied half the above time,

Randy Studied:

[tex] \frac{1}{2} \times \frac{4}{3} \\ = \frac{1 \times 4}{2 \times 3} \\ = \frac{4 \div 2}{6 \div 2} \\ = \frac{2}{3} hours[/tex]

What is the value of x. Please explain how you came to your answer (my other question is worth less and has a scam answer on it :(!!!)

Answers

Answer:

Step-by-step explanation:

CAN SOMEONE HELP PLEASE GIVE ME THE RIGHT ANSWER :(

Answers

Answer:

Step-by-step explanation:

The Answer : B hope this helps !

An agronomist is an expert in soil management and crop production. A certain state hires an agronomist to investigate whether there is a linear relationship between a wheat stalk’s height and the yield of wheat. The agronomist collected data and used the data to test the claim that there is a linear relationship at a significance level of α = 0.05. The agronomist tested the following hypotheses.
H0 : β1 = 0
Ha : β1 ≠ 0
The test yielded a p -value of 0.25. Which of the following is a correct conclusion about the claim?
A. The null hypothesis is rejected because 0.25 > 0.05. There is sufficient evidence to suggest that there is a linear relationship between a wheat stalk's height and its yield.
B The null hypothesis is not rejected because 0.25 > 0.05. There is sufficient evidence to suggest that there is a linear relationship between a wheat stalk's height and its yield.
С The null hypothesis is rejected because 0.25 > 0.05. There is not sufficient evidence to suggest that there is a linear relationship between a wheat stalk's height and its yield.
D The null hypothesis is not rejected because 0.25 > 0.05. There is not sufficient evidence to suggest that there is a linear relationship between a wheat stalk's height and its yield.
E The null hypothesis is accepted because 0.25 > 0.05. There is sufficient evidence to suggest that there is not a linear relationship between a wheat stalk's height and its yield.

Answers

Answer:

D The null hypothesis is not rejected because 0.25 > 0.05. There is not sufficient evidence to suggest that there is a linear relationship between a wheat stalk's height and its yield.

Step-by-step explanation:

Given the hypothesis :

H0 : β1 = 0

Ha : β1 ≠ 0

The Pvalue = 0.25 ; α = 0.05

Decision region :

Reject H0 ; if Pvalue < α

Comparing the Pvalue and α - value

0.25 > 0.05

Here, the Pvalue is > α ; hence, we fail to reject the Null, H0

Hence, there is no significant evidence to suggest that there is a linear relationship between what's stalk height and its yield.

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