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jarptica [38.1K]
3 years ago
12

It says choose all of the multiple choice answers that are true about the diagram

Mathematics
1 answer:
kari74 [83]3 years ago
4 0

Answer:

C. and E.

Step-by-step explanation:

Complimentary angles are two angles that both measures create the same degree as a right angle, or 90 degrees

Looking at the graph, we see 1 right angle, which is 9. Therefore we can cross out any answer that includes <9 in it.

Let's look at 7, this is an obtuse angle, WAY more than 90 degrees, therefore we can cross out any answer that includes <7 in it.

Meaning we only have three exceptable degrees, <6, <5, and <8.

There are only 2 answers that follow these rules. C and E

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The value of y varies directly with x, and y=3 when x=9 find y when x = 21
tester [92]

Answer: y = 7

Step-by-step explanation:

Step 1) plug in 3 for y and 9 for x in the direct variation formula, which is y = kx

3 = k(9)

Step 2) Solve for k

3 = k(9) (Divide by 9 on both sides)

3/9 = k (Now simplify 3/9)

1/3 = k. So k = 1/3

*just FYI: “k” is the constant of variation.

Step 3) use the equation y = kx and plug in 1/3 for k

y = 1/3x

Step 4) using the equation y = 1/3x, plug in 21 for x.

y = 1/3(21) (1/3*21 is the same as 21/3)

y = 21/3 (21/3 = 7)

y = 7. So that’s you’re answer! When x=21, y=7 because 7 is 1/3 of 21!

Hope this helps! My best wishes to you as you go through school!

3 0
4 years ago
The following scores represent students' test grades in Mr. Preisser's fashion class.
VashaNatasha [74]

Answer:

Definitely 85.5

Just worked it out

5 0
3 years ago
Read 2 more answers
Find the mid segment of GH
noname [10]

Answer:

B. 2

Step-by-step explanation:

Based on the Midsegment of a trapezoid theorem:

GH = (BC + FE)/2

9x - 3 = (19 + (5x + 1))/2) (substitution)

9x - 3 = (20 + 5x)/2

Cross multiply

2(9x - 3) = 20 + 5x

18x - 6 = 20 + 5x

Collect like terms

18x - 5x = 20 + 6

13x = 26

Divide both sides by 13

x = 26/13

x = 2

8 0
3 years ago
A fair owner made $60 win a group of 10 people entered which is a rate of ____ dollar per person?
melisa1 [442]

Answer:

It would be 6$ each person

8 0
3 years ago
50% of 80 solve pls show working<br>pls I know it just try working it​
Eduardwww [97]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{40}}}}}

Step-by-step explanation:

\sf{50 \: \% \: of \: 80}

To convert the percent into a fraction , divide it by 190 and remove the % symbol. Then , Simplify the fraction to its lowest term.

⇒\sf{ \frac{50}{100}  \times 80}

⇒\sf{ \frac{1}{2}  \times 80}

Divide 80 by 2

⇒\sf{40}

Hope I helped!

Best regards!!

5 0
3 years ago
Read 2 more answers
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