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Mars2501 [29]
3 years ago
14

If the area of square 3 is 80 cm² and thee area of square 2 is 100 cm², what is the area of square 1?

Mathematics
1 answer:
swat323 years ago
5 0

Answer:

260 cm²

Step-by-step explanation:

Please see the attached picture for the full solution.

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Given that the measure of ∠x is 90°, and the measure of ∠y is 53°, find the measure of ∠z. ?°
gizmo_the_mogwai [7]

The 3 inside angles of a triangle need to equal 180 degrees.

You are given X and Y, so you would subtract both of those from 180 to find Z:

Z = 180 - 90 - 53 = 37 degrees

8 0
3 years ago
You roll a number cube one time.<br> What is the probability of not rolling a 8 or a 10?
liq [111]

Answer: 80% or 4/5

Step-by-step explanation:

so I don’t know how many numbers there are on this cube (a standard number cube has #1-6) but I’m going to go with 10 numbers (don’t know how this is possible but anyway-). I’ll edit my answer if needed.

10 numbers

10 (numbers) - 2 (#8 and #10) = 8 (possible numbers)

so 8/10 or 80%

reduced fraction: 4/5

percentage: 80%

fraction: 8/10

*will edit if needed

3 0
3 years ago
7x31=????????????????
Hunter-Best [27]

Answer:

217

Step-by-step explanation:

  1. 7 × 31 = 217

I hope this helps!

8 0
3 years ago
What is the length of PR
goldenfox [79]

Answer:

7

Step-by-step explanation:

the ratio is 3 :1

here is your answer

6 0
3 years ago
Identify an equation in point slope form for the line perpendicular to
Vaselesa [24]
Point slope form is y2-y1=m(x2-x1).

The slope m that is perpendicular to y=-4x-1 will be 1/4 (the opposite reciprocal). Then you can use (-2,7) as the x and y values to plug into the formula:

y-7=1/4(x+2) is the answer.
3 0
3 years ago
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