3 years ago

Name a pair of adjacent angles in the diagram above.

Mathematics

1 answer:

Luda [366]3 years ago

5 0

The answer is D. 7 and 8
Adjacent angles has a common side and a common vertex

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Which is the answer and how did you solve it?

motikmotik

Its pretty simple

9x-7y = 22
x + 3y = -24

(9x-7y = 22)
-9(x + 3y = -24)
= -9x -27y = 216
+ 9x-7y = 22
= -34y = 238
= / -34 = 238/-34
y = -7

now plug -7 in one of the equation
x + 3(-7) = -24
x -21 = -24
+21. +21
x = -3

so answer is x = -3 and y = -7

3 0

3 years ago

What is the first multiple of 30 that is divisible by 4?

kap26 [50]

Multiples of 30 : 30,60,90,120,150....

and the first one that 4 goes into evenly is 60

6 0

3 years ago

Read 2 more answers

Calculate the size of ?

LUCKY_DIMON [66]

Answer:

p=122 q=80 r=80

Step-by-step explanation:

6 0

3 years ago

Sophia uses 18 beads to make a necklace. Three sixths of the beads are purple. How many beads are purple?

joja [24]

Answer:

9 beads are purple

Step-by-step explanation:

we know that

To find out how many beads are purple, multiply the total beads by the fraction of the beads that are purple

$18(\frac{3}{6})=9\ beads$

therefore

9 beads are purple

Another way to solve the problem is convert the fraction in percentage

we have

$\frac{3}{6}=\frac{1}{2}=0.50*100=50\%$

If the total are 18 beads

50% is 9 beads

therefore

9 beads are purple

8 0

3 years ago

Would you set them equal to each other or 90 or 180. HELP ASAP

Ghella [55]

Answer:

Step-by-step explanation:

bc i said so

5 0

3 years ago