which expression is equivalent to 3y - 8 - 7y + 9


-3y

-10y + 1

-9y

-4y + 1

Answers

Answer 1
The second one.

Because 3y-7y = -10y and -8+9 = 1
-10y + 1
Answer 2
-10y + 1 because when you combine like terms 3y minus -7y because of the subtraction symbol in front so that equals -10y then -8 + 9 equals 1 so it’s -10y + 1

Related Questions

What is the measure of Zr?
Angles are not necessarily drawn to scale.
х
Y
299
- Z

Answers

Answer:

x = 61

Step-by-step explanation:

The two angles add to a right angle, which is 90 degrees

29+x = 90

Subtract 29 from each side

29+x-29 = 90-29

x = 61

Answer:

61 degrees

Step-by-step explanation:

if Y is 29 degrees and the entire angle is a 90 degree angle than x would be 61 degrees to equal a 90 degree angle

On a quiz with 15 questions, Craig got 12 questions correct. If a question was chosen at random, what is the experimental probability that Craig got the question correct?

Answers

0.8 is the correct answer

What is the lower quartile (q1) of the box plot below?

Answers

Answer:

The lower quartile Q1 is the median of the lower half and the upper quartile is the median of the upper half. The lower quartile Q1 is the median of the lower half and the upper quartile is the median of the upper half.

Hope this helps:)

Step-by-step explanation:

Answer:

22

Step-by-step explanation:

ezy

A single die is rolled. Find the probability of rolling 2 or an odd number.

Answers

Answer:

4/6 or 2/3

Step-by-step explanation:

1/2 of the die is odd numbers so, you would add one more number which would be 4/6 or 2/3

The probability of rolling 2 or an odd number is 2/3.

What is probability?

"Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one".

For the given situation,

Rolling a die s = {1,2,3,4,5,6}

⇒[tex]n(s)=6[/tex]

The event a is rolling 2 = {2}

⇒[tex]n(a)=1[/tex]

Probability of rolling 2, [tex]p(a)=\frac{n(a)}{n(s)}[/tex]

⇒[tex]p(a)=\frac{1}{6}[/tex]

The event b is rolling an odd number = {1,3,5}

[tex]n(b)=3[/tex]

Probability of rolling an odd number, [tex]p(b)= \frac{n(b)}{n(s)}[/tex]

⇒[tex]p(b)=\frac{3}{6}[/tex]

Thus probability of rolling 2 or an odd number = [tex]p(a)+p(b)[/tex]

⇒ [tex]\frac{1}{6} + \frac{3}{6}[/tex]

⇒[tex]\frac{4}{6}[/tex]

⇒[tex]\frac{2}{3}[/tex]

Hence we can conclude that the probability of rolling 2 or an odd number is 2/3.

Learn more about probability here

https://brainly.com/question/13604758

#SPJ2

i need an answer quick plz

Answers

6). y=3
7). x=-2

I hope this helped.
I think it’w
y=3
x=2
Hope that helps:)

CAN SOMEONE TELL ME THE ANSWER PLEASE????????????????????????? Worth 20 points

Answers

Answer and working out attached below . Hope this helps

Answer:

12

Step-by-step explanation:

Okay, so on a grid, points Q and R are parallel to each other on the point 6, we just have to figure out how far apart they are, and to figure that out, we have to find the distance between 8 and -4 so:

8 - -4 = 8 + 4 = 12

So, the distance from point Q to point R is 12

if this is wrong please let me know

hope this helps:)

Simplify the expression using positive exponents.

3^8/3^4

Answers

Check this out mate! GOOD LUCK

6/8 divide by 7/10? help

Answers

Answer:

15/14

Step-by-step explanation:

= 6/8 x  10/7

= 6/4 x 5/7

Multiply the numbers: 6 x 5 = 30

= 30/4x7

Multiply the numbers:

4 x 7 =28

Cancel the common factor (2):

= 15/14

Hope this helps,If you have any questions revolving around this topic,feel free to ask me and I will be glad to help,Good luck!

The answer is 15/14. hope this helps lol

I just two questions :)

Answers

Answer:

Hi There!!

Step-by-step explanation:

Your answers are:

1. C2. A

I hope this helps!!

- abakugosimp

1.C 2.A I got you!!!!!

Explain why y=2x-0.5?

Answers

Answer:

That's just the slope-intercept form, I'm not sure exactly what you're asking for. It's used to graph.

Step-by-step explanation:

Answer: because the equation is “TRUE”

Please help will give brainliest

Answers

Answer: 24

Step-by-step explanation: dont give me brainliest if im incorrect

3) Find the area of the polygon below. Give your answer as a number with no label. Assume your answer is square meters. (no links please!! i only have 27 points left!! and ip address hackers, i know who you are!!)

Answers

Get those answers wooo

Which name does NOT appear to describe this quadrilateral?
a.square
b. trapezoid
c. rhombus
d. parallelogram


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer: Well the image looks like a square so what does not appear to describe this quadrilateral is B; trapezoid. I just don’t know how to explain this but I think it is B. Sorry if I’m wrong but hope this helps.

HELP this is an end of year exam and i got a 64 the first time

In the map below, the path from the whales to the sharks is parallel to the path from the penguins to the fish tanks.

A map of the aquarium at the City Zoo. A triangle has points whales, sharks, dolphins. The distance from Whales to sharks is 54 feet and from whales to dolphins is 30 feet. A triangle with points Dolphins, fish tanks, penguins. The distance from dolphins to fish tanks is 45 feet, and from penguins to fish tanks is x feet.

What is the distance between the penguins and the fish tanks?
25 feet
36 feet
69 feet
81 feet

Answers

Answer:

(D) 81 feet      

Step-by-step explanation:

From the figure drawn, it is given that AB is parallel to DE, in ΔABC and ΔCDE, we have

∠BAC=∠DEC(Alternate angles)

∠ACB=∠DCE(Vertically opposite angles)

Thus, by AA rule, ΔABC is similar to ΔCDE.

Since the line connecting from the whales to the sharks is parallel to the line connecting from the penguins to the fish tanks, the triangles shown in the figure are similar. Using the property of similar triangles.

Hope this helped!!!

Answer:

81 feet

Step-by-step explanation:

i got it right on edge

Find the surface area of the prism.

Explain how you got your answer pls

Answers

He is correct^ listen to him

This is all Need help with thanks, No Links Please!
20pts giving away

Answers

Answer:

y=7

Step-by-step explanation:

I'll do number 5 as an example, so -48=-6y-6

y=7

y = 7



self explanatory

Which of the following describes the graph of 2x + 4 < 16?

A. Solid line, shaded below
B. Dashed line, shaded above
C. Solid line, shaded above
D. Dashed line, shaded below

Answers

Answer:

a

Step-by-step explanation:

A I think it is -A you can check

Which one isnt shown on a credit report

Answers

It is school attended because it does not impact your income and has nothing to do with how trustworthy you are to pay back any kind of loan (which is basically what a credit score is)

Answer:

It is school attended

Step-by-step explanation:

What is the area of the figure below?

The figure is shown. and plz give me a truthful answer i need this

Answers

Answer:

86 cm²

Step-by-step explanation:

Answer attached...

Hope it helps ^_^

pls, help thanks! have a nice day

Answers

Answer:

24º

Step-by-step explanation:

If X and Y are suplementary, X + Y is equal to 180º.

24 degrees, both angles would equal 180.
180 - 156 = 24

i need the volume base-9in height-7in width-12in​

Answers

Answer:

its 756 cubic inches :D

Step-by-step explanation:

HELPPPPP PLZZZZZZZZZZ

Answers

Answer:

a. one

b. three

c. eleven

Step-by-step explanation:

just count the dots ??

a.) 1 student
b.) 3 students
c.) 11 students

Construct an isosceles triangle with the given base and the opposite angle to the base.

Answers

Answer:

Proof of Construction: The compass was used as a measuring tool to obtain (and copy) the length of the given segment. Since the given segment and the copy are the same length, the segments are congruent.

Note: You may also think of the length from A to B as being the radius of a circle with center at A. By copying the circle at A', the radii segments will be congruent.

Step-by-step explanation:

hope this helps

Which of the following is the correct conversion of one pound into ounces?

A. 1 oz.
B. 16 oz.
C. 2000 lb.
D. 2000 T

Answers

Answer:

B. 16 oz.

I hope this helped!

Can someone please help me use triangles to find the sum of the interior angle measures of both of these polygons. I need help with both of these questions, can someone please help me.

Answers

#1=720 (you can find four triangles and then multiply 4X180. #2=540 with the same principle

Find the volume.!!!!

Answers

Answer:

106.2

Step-by-step explanation:

length x width x height

Answer:

106.2ft³

Step-by-step explanation:

To find volume for a cube we need to multiply the height x length x width

or H x L x W so that means we do 6 x 3 x 5.9 = 106.2

Hope I helped :DDD

Can someone please help me with this question the instructions are to use a calculator to find the perimeter (the solid lines and curves) of each figure. The perimeter of each semicircle can be found by using the equation 1/2 pi d (the place where I put the words pi has the pi symbol, and d is just a variable. Also use 3.14 as pi, and the top part is cut off a little bit, but it still counts as a full semi circle. Please help me.

Answers

Answer:

The continuous closed line that makes the boundary of a two-dimensional shape is known as the perimeter. It’s easy to work out the perimeter of a shape with straight edges, such as a square, because you simply add the lengths of each edge together. A different formula is required to work out the perimeter of a semi circle (a circle cut in half), because it consists of a curved edge as well as a straight edge. That formula is

Step-by-step explanation:

P = \frac{1}{2} πd + dP=

2

1

πd+d

where ​d​ is the diameter of the semi circle.

Apply the number pi (π) to the formula

P = \frac{1}{2} πd + dP=

2

1

πd+d

Pi is a circle's circumference divided by its diameter and is always the same value, 3.14.

I think I got it right

Find sum add or multiply to find your answer tbh

HELPLPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Answers

1. 70 2. 22 3. 55 4. 45 5. 65
gang gang gang gang ong no cap

The median and mean scores for a math test are shown.

Which distribution of scores would best account for the difference in the median and mean?
Median score: 82%
Mean score: 70%

Answers

Answer:

median score

Step-by-step explanation:

1.What percent of the entire garden is devoted to roses and zinnias
2.If alyssum is planted outside of the petunias and the pattern shown in the diagram continues,
how many square feet are devoted to alyssum

Answers

Answer:

1. 30% 2. 160 square feet

Step-by-step explanation:

1.The entire area of the garden is 20x16=320 square feet

The area of the Zinnias(including roses) is 8x12 = 96 square feet

To get the percent, we have to divide the smaller number by the bigger number and multiply by 100, like 96/320x100=30%

2. The width progresses in the first rectangle by four 8 to 12, then again by four 12, 16 and again by four 16 to 20, which means that the next rectangle would have a width of 20+4=24. Doing the sale analysis for the height, we get that the increase is with 4 feet at a time or the new rectangle would have a width of 24 and height of 20, which means a total area of 480 feet. We would have to subtract all other rectangles and the new area would be 480 - (20x16) = 160 square feet

can I pls have brainliest?

1. 30%

Conveniently enough, the roses and zinnias are right next to each other, within the same rectangle. 12 x 8 = 96 square feet.
But we need to know what percentage that area takes place within the whole garden, so we need the garden’s area too. 20 x 16 = 320 square feet.
Now, to find the percentage of roses and zinnias within the garden. We start by putting it as a fraction, 96/320, which simplifies to 3/10. You can now easily tell that 3/10, as a percentage, is 30%

2. 160 square feet

First, you have to analyze the blueprint and see what the pattern is for every new plant added. 4 is added to the length, and 4 is added to the width. 4 would be added from 20 and 4 would be added from 16 if alyssum was added, giving 24 x 20 = 480 square feet.
We now have to subtract the old area of the garden from the new one we just calculated. And we already calculated the old garden from the last problem!
480 - 320 = 160 square feet.
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