The value of a is the value of 3x2 - 4x - 3 when x = -2. Find the value of 3a - 3. ​

Answer:

Step-by-step explanation:

21.019=d

21.019+4=25.019 ft of rope

25.019x.45=11.26

He willpay $11.26 for the rope

Answer:

A is the correct answer

Answer: $180,495 is the take-home after the broker's commission.

Step-by-step explanation:

Answer:

21/38

0.553

Step-by-step explanation:

There are 63 married males out of the total 114 males.

So the fraction is 63/114. That is simplified into 21/38

Then divide 38 by 21 to get the decimal form.

38÷21=0.55263...

Answer:

[tex]x + 6 > 4 \\ x > 4 - 6 \\ x > - 2 \\ and \\ 3x + 5 < 5 \\ 3x < 5 - 5 \\ 3x < 0 \\ \frac{3x}{3} < \frac{0}{3} \\ x < 0 \\ therefore \\ - 2 < x < 0 [/tex]

Answer:

h=1+4th=0.5+6t

Step-by-step explanation:

you have to multiply t and h by four and 1 separately

Answer:

H=4+t

H=6+0.5t

Step-by-step explanation:

Took the test the other answer is wrong.

Answer:

37/32

Step-by-step explanation:

5/8 + 3/16 + 11/32 = 37/32

Answer:

1.15625 or 1 and 5/32

Step-by-step explanation:

Result

5/8 + 3/16

= 13/16

Result in decimals: 0.8125

Calculation steps:

5/8 + 3/16 =  

5 × 2

8 × 2

+

3

16

=  

10

16

+

3

16

=  

10 + 3/16 =  13/ 16

The next  step would be:

home / math / fraction calculator

Fraction Calculator

Below are multiple fraction calculators capable of addition, subtraction, multiplication, division, simplification, and conversion between fractions and decimals. Fields above the solid black line represent the numerator, while fields below represent the denominator.

Result

13

16

+

11

32

=

37

32

=

1 5

32

Result in decimals: 1.15625

Calculation steps:

13

16

+

11

32

=  

13 × 2

16 × 2

+

11

32

=  

26

32

+

11

32

=  

26 + 11

32

=  

37

32

=  

1 5

32

Hope this helps! Have a nice day!

Please give brainliest when possible!

:3

Jen's average speed on the round trip will be 20mph

The formula for calculating speed is expressed as:

Speed = Distance/Time

d = st

Let the time taken on Jen's way to Cape Cod  be "t"

The time taken back to Boston will be t + 3

d1 = 60t
d2 = 60(t+3)

Since he traveled the same distance to and fro, hence;

Average speed = 60/3

Average speed  = 20mph

Hence Jen's average speed on the round trip will be 20mph

Learn more on speed here: https://brainly.com/question/4931057

Answer:

30 mph

Step-by-step explanation:

Answer:

then it's 34... sometimes I have a hard time understanding a math problem and I feel that... I suggest using Math*way without the (*) it helped me a lot through high school and college check it out see if you like it

Step-by-step explanation:

Answer:

730%

Step-by-step explanation:

600 - 72 = 528

528/72 = 7.3

7.3 * 100 = 730%

Answer:

2

Step-by-step explanation:

18/9=2

its 9 times fewer than 18

Answer:

Melody

Step-by-step explanation:

3/6 = 0.5

3/5 = 0.6

i.e. If it has the same numerator but different denominator the one with the smaller denominator will be bigger  

Answer: Melody ate more.

Step-by-step explanation:

So, it would be Melody who ate more because

Over here:

Heather: ate 3 OUT of 6

Melody: ate 3 OUT of 5

Melody ate more because if you count up to 5 theres two cookies left, while Heather had 3 cookies left.

Hope this answers your question!

Answer:

20

Step-by-step explanation:

All you do add because it is with even numbers

Answer

time = 60 miles / (55 miles/hour) = (60/55) (miles/(miles/hour)) = 1.09 hour

Step-by-step explanation:

Speed = distance / time

A bit of algebra will get you the formula

time = distance/speed

Answer:

15sec if its a lamboghihi

Step-by-step explanation:

Answer:

g(4) = 23

Step-by-step explanation:

g(x)=5x+3, find g(4)

g(4) = 5(4) + 3

g(4) = 20 + 3

g(4) = 23

Hope that helps!

Answer:

[tex] \boxed{g(4) \: is \: 23}[/tex]

Step-by-step explanation:

given :

g(x) = 5x + 3

find g(4)

Answer :

substitute 4 into the equation of function

[tex] g(x) = 5x + 3[/tex]

[tex]g(4) = 5(4) + 3[/tex]

[tex]g(4) = 20 + 3[/tex]

[tex]g(4) = 23[/tex]

Answer:

An equation of the circle with center (h, k) and radius r:

[tex](x-h)^2+(y-k)^2=r^2[/tex]

Step-by-step explanation:

Not sure what you need to find out but,

An equation of the circle with center (h, k) and radius r:

[tex](x-h)^2+(y-k)^2=r^2[/tex]

Answer:

me plase me me please meeee

Answer:

Education is started when humans arose in the world.

Step-by-step explanation:

I am unable to understand the laws of sin cosin tan cot sec etc

Answer:

LCM of 7/10- 70

LCM of 5/6- 30

Step-by-step explanation:

Solution:

To find the Least common denominator (LCD) of 7/10 and 5/6, we need to find the Least common multiple of 10 and 6.

I found the LCM through division method. Refer to image attached~

We can tell that:

Now, let's multiply the denominators and the numerators such that 30 is the denominator in both fractions.

The fractions are:

Answer:

-660

Step-by-step explanation:

Answer:

they are related by numbers

Answer:

y=3

Step-by-step explanation:

We can solve this using substitution (substitute 4 for x)...

4+y=7

Subtract 4 from both sides

y=3

Answer:

y = 3

Step-by-step explanation:

x + y = 7

x = 4

4 + y = 7

y = 7 - 4

y = 3

Answer:

  a) 1.2 seconds

  b) 50 bpm

Step-by-step explanation:

The period is the value of t that makes the angle be 2π:

  5πt/3 = 2π

  t = 3(2π)/(5π) = 6/5

The period of the function is 6/5 = 1.2 seconds.

__

The number of beats per minute is ...

  (1 beat)/(1.2 s) × (60 s)/(1 min) = 60/1.2 beats/min = 50 beats/min

Answer:

75.36 cm

Step-by-step explanation:

We need to find the circumference of the pipe.

Circumference of a circle = 2[tex]\pi[/tex]r   (where r is the radius)

Given:

⇒ circumference = 2 x 3.14 x 12 = 75.36 cm

Answer:

The two numbers are 20 and 60

Step-by-step explanation:

Two numbers: x and y

x + y = 80

x - y = 40

x = y + 40

Substitute x

y + 40 + y = 80

2y + 40 = 80

2y = 40

y = 20

Substitute y, so x = 60

Answer:

-(1 - 2a)^2

Step-by-step explanation:

-1 + 4a - 4a^2

= -[1^2 - 2*1*(2a) + (2a)^2]

= -(1 - 2a)^2

Answer:

Step-by-step explanation:

Begin by taking out the minus

-(4a^2 - 4a + 1)     The answer is the square root of the 1st and 3rd terms.

√4a^2 = 2a

√1 = 1                    Since middle term is minus, one of 2a or 1 must also be minus

Usually the one is made minus.

That leaves you with a perfect square

- (2a - 1)^2   There are more ways than 1 to write this, but I think this is the clearest answer

Now, Plug in the values in the formula

[tex] \boxed{ \sf \multimap \: x = ( \frac{a}{a + b})( x_{2} - x_{1}) + x_{1} }[/tex]

[tex] \tt\nRightarrow \: x = ( \frac{2}{2 + 3} )( - 3 - 2) + 2[/tex]

[tex] \bf \Rrightarrow \: x = (\frac{2}{5} )( - 3 - 2) + 2[/tex]

Answer:

item 30.

d. 1 ½ as we can see the difference between the each x value is 2 and y value is more of 1 and 2.

items 31.

a. ⅖ as similar to upper question the difference between each x value is 2 and y value is 5 so ⅖

Answer:

Step-by-step explanation:

43 hours per week i think

Answer:

40 hours per week (40:1)

Step-by-step explanation:

559 / 13 = 39.93

39.93 rounded to the nearest whole number is 40.

Answer:

B= 16

b/4 - -1 =5 is the same as b/4 + 1 = 5

b/4 + 1 = 5

- 1 both sides

b/4 = 4

x 4 both sides

b=16

16/4 - -1 =5

4 + 1 = 5

- - Means add

+ + Means add

- + Means take away or minus

Hope this helps!

[tex] \frac{b}{4} - ( - 1) = 5 \\ \\ \frac{b}{4} + 1 = 5 \\ \\ \frac{b}{4} = 5 - 1 \\ \\ \frac{b}{4} = 4 \\ \\ b = \frac{4}{4} \\ \\ b = 1.[/tex]

The value of b is 1 .