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sineoko [7]
3 years ago
8

Please help and show work if you can ​

Mathematics
1 answer:
tino4ka555 [31]3 years ago
3 0

Answer:

9) 127 °

10) 67°

11) 100°

12) 118°

Step-by-step explanation:

adjacent angles in parallelograms are supplementary (their sum is 180°)

opposite angles are congruent

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What is the ordered pair for <br> X+y= 4<br> X-y=10
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1) y=?x+4

2) y=?x+10

Use the formula y= mx+b to simply convert.
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4 years ago
How do I write the ratio of 28 inches to 5 feet as a fraction in simplest form?
stich3 [128]
Step 1. Divide denominator to numerator .

Step 2. you should have 5.4

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4 0
4 years ago
A 65 ft. long swimming pool is to be constructed. The pool will be 4 ft. deep at one end and 11 ft. deep at the other. To the ne
pishuonlain [190]

Answer:

Measure of the acute angle = 84°

Step-by-step explanation:

In the figure attached,

ABDE is a swimming pool having length 'AB' = 65 feet

Depth of one end of the pool is BE = 4 feet

And depth of the other end AD = 11 feet

Acute angle between the bottom of the pool (DE) and wall of the deep end (AD) is ∠ADE.

Now from ΔCDE,

tanx = \frac{EC}{DC}

tanx = \frac{7}{65}

x = \text{tan}^{-1}(\frac{7}{65})

x = 6.15°

Now measure of acute angle the bottom of the pool makes with wall at he deep end,

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3 0
3 years ago
A total of 20 families participate in a car wash. Each family brings two cars. Mr. Gonzales notices that 35% of the cars were mi
tigry1 [53]

Answer:

14 minivans

Step-by-step explanation:

From the question

A total of 20 families participate in a car wash. Each family brings two cars.

Hence, the total number of cars brought to the car wash is:

20 × 2

= 40 cars.

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The number of minivans were washed is :

35% of the total number of cars

= 35/100 × 40

= 14 minivans

Hence, 14 minivans were washed

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What would 19 and 4/5 be as a decimal like this:
allochka39001 [22]
19.8

I really didn't understand your question, but if you could give me more details, that'd be great.

#I'm11
4 0
4 years ago
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