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svet-max [94.6K]
3 years ago
13

Will mark brainliest if you answer

Mathematics
1 answer:
mr_godi [17]3 years ago
7 0

Answer:

10 square in.

Step-by-step explanation:

The rectangles are similar by a scale factor of 3. We can tell because the quotient of two of the corresponding sides, 18 and 6, is 3 (18/6=3)

That means the width of ABCD is 3 times the width of WXYZ.

Let's say the width of ABCD is x. Then 18*x=90 because that's the area.

x=90/18=5

Now we have the width of ABCD, 5, so to get the width of WXYZ, we divide by 3, which is 5/3.

Now to get the area of WXYZ, we can do 5/3, the width, times 6, the length, which is 30/3=10.

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I need help I don’t understand :(
sveticcg [70]

Answer:

.

Step-by-step explanation:

7 0
3 years ago
Plz help me ASAP!!!! No files plzzzzzz. PLZZ and THX!
RSB [31]

Answer:

y = 1x - 5

Step-by-step explanation:

We will use the slope equation for this: y = mx + b

y is our output/answer

m is our slope, or the rate of change

x is our x coordinate. For example, in (3,2) x would be 3.

b is our y intercept, or where the line passes through the y axis.

Knowing this, we can fill out the blanks.

when we look at one point on the grid, and then find the next closest number from the point we chose, we can see that the slope is 1 so we now have: y = 1x + b

to find b, we find where the line passes over the y axis which on our grid is -5. Normally we would write: y = 1x + 5 Since we have a negative 5 or -5, we will change the + to a -

This means we write y = 1x -5.

I hope this helps you and have a great day :D

5 0
2 years ago
The cost of eight stress balls and five T-shirts is $111.75. The cost of twelve stress balls and four T-shirts is $102.00. What
aksik [14]
Let's say stress ball cost x and t shirt cost y
8x+5y=111.75
12x+4y=102.00→3x+y=25.5→y=25.5-3x

8x+5(25.5-3x)= 111.75
8x+127.5-15x=111.75
-7x=-15.75
x=2.25

12x+4y=102
12(2.25)+4y=102
27+4y=102
4y=75
y=18.75

d is the correct answer
6 0
3 years ago
Help me with this question please
Leya [2.2K]
Y=6x

The slope of the equation is six meaning you go up six and over 1 to find the next point.
5 0
2 years ago
3x - 2y + 8<br> (5y - 1 + 3x)<br> Add the polynomials
ololo11 [35]

Answer:

hope it helps I have made it in pic

7 0
2 years ago
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