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serious [3.7K]
3 years ago
6

PLS HELP ME ASAP FOR 7, 8, and 9. A and B (SHOW WORK FOR ALL!! + LOTS OF POINTS

Mathematics
1 answer:
KengaRu [80]3 years ago
5 0
I can't exactly see those. So i can't help you sorry
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9/11 = 13.5/b. Find the B. MARKING BRAINLIST!!
Zolol [24]

Answer:

b = 16.5

Step-by-step explanation:

Given

\frac{9}{11} = \frac{13.5}{b} ( cross- multiply )

9b = 148.5 ( divide both sides by 9 )

b = 16.5

4 0
3 years ago
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Can somebody help me with this?
lesya [120]

Answer:

141 °

since they are supplementary angles and they always add to 180 °

4 0
2 years ago
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If the Pythagorean Theorem works for the triangle shown, which measurements would also work?
Natali5045456 [20]
24,10,26. Basically if you multiply each of the sides by the same number, (I multiplied everything by 2) then that will keep the ratios the same. You should be able to multiply each side by any number, but two will usually be the easiest 
8 0
3 years ago
The age of Tony and Vihaan are in the ratio of 8:7. Six years later, their ages will be in the ratio 10:9. Find their ages.
Alex_Xolod [135]

Answer:

24 and 21

Step-by-step explanation:

the ratio of their ages is 8 : 7 = 8x : 7x ( x is a multiplier )

In 6 years

8x + 6 : 7x + 6 = 10 : 9

Express the ratio in fractional form

\frac{8x+6}{7x+6} = \frac{10}{9} ( cross- multiply )

9(8x + 6) = 10(7x + 6) ← distribute parenthesis on both sides

72x + 54 = 70x + 60 ( subtract 70x from both sides )

2x + 54 = 60 ( subtract 54 from both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Thus

Tony = 8x = 8 × 3 = 24

Vihaan = 7x = 7 × 3 = 21

4 0
2 years ago
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If an angle is given, name the arc it makes. If an arc is given, name its central angle.
Furkat [3]
Angles are named with 3 letters with the vertex listed in the center to go from angle to arc name take the first and last letter from the angle to name it.

For arc to angle insert the letter of the center in between the listed arc endpoints. 

Ex1: Angle ABC is are AC 

Ex2: Arc DF with center X is angle DXF
4 0
3 years ago
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