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AysviL [449]
3 years ago
8

(GR.7MATH)

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
4 0

Answer:

31. -12, -2

32. 6, -3

33. -4, 4

34. 8, 1

35. -6, 2

36. -3, 2

37. -6, -5

38. 8, -9

39. 7, 0

Step-by-step explanation:

31. -12 + -2 = ‐14 and -12 x -2 = 24

32. 6 + -3 = 3 and 6 x -3 = -18

33. -4 + 4 = 0 and -4 × 4 = -16

34. 8 + 1 = 9 and 8 x 1 =8

35. -6 + 2 = -4 and -6 x 2 = -12

36. -3 + 2 = -1 and -3 x 2 = -6

37. -6 + -5 = -11 and -6 x -5 = 30

38. 8 + -9 = -1 and 8 x -9 = -72

39. 7 + 0 = 7 and 7 x 0 = 0

KonstantinChe [14]3 years ago
3 0

Answer:

kkajjjssnensi

Step-by-step explanation:

hdhdb

jakakke

jjwjne

kakam

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The length of the blue ribbon is two-thirds the length of the red ribbon. Write an equation to find the length r of the red ribb
vladimir2022 [97]

<em><u>The equation to find the length r of the red ribbon is:</u></em>

r = \frac{3b}{2}

<em><u>Solution:</u></em>

Let "b" be the length of blue ribbon

Let "r" be the length of red ribbon

To find: equation for length r of the red ribbon.

The length of the blue ribbon is two - thirds the length of the red ribbon

Which means,

\text{Length of blue ribbon } = \frac{2}{3} \times \text{ length of the red ribbon }

Therefore,

b = \frac{2}{3} \times r\\\\3b = 2r\\\\r = \frac{3b}{2}

Thus the equation to find the length r of the red ribbon is found

8 0
3 years ago
Read 2 more answers
What is the difference?<br> X/x^2-16 - 3/x-4
lord [1]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
A ladder is placed 30 inches from a wall. It touches the wall at a height of 50 inches from the ground.
tankabanditka [31]
To find the length of the ladder, you need to do Pythagorean theorem.
50^2 + 30^2 = x^2
2500 + 900 = x^2
x^2 =3400
x= square root of 3400
58.31 OR 10 root34

To find the angle:
tan theta = opposite/adjacent
50/30 = 5/3
theta = tan inverse of 5/3
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8 0
4 years ago
Mark has a summer job power washing. He charges $15.50 for the first half hour and $5.00 for each hour after the first half hour
anzhelika [568]
Im pretty sure it would be 15.50+(5.00*x) hope i helped have a nice day
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8 0
3 years ago
Show work pls hahhhh
SVETLANKA909090 [29]

Answer:

27

Step-by-step explanation:

\frac{3^2\left(2^3+4\right)}{2^2}

\mathrm{Solve\;3^2\cdot(2^3+4):108}

\mathrm{Solve\;2^2:4}

=\frac{108}{4}

\mathrm{Divide\:the\:numbers:}\:\frac{108}{4}=27

<em>~Lenvy~</em>

4 0
3 years ago
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