2 years ago

Find the missing angles

Mathematics

1 answer:

atroni [7]2 years ago

6 0

Answer:

y=55

x=70

Step-by-step explanation:

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Julli [10]

Answer:

x = 2

Step-by-step explanation:

AB/BC = AD/DE

$\frac{2}{1}$ = $\frac{2+x}{2}$

cross-multiply:

2+x = 4

x = 2

7 0

2 years ago

Solve the system using substitution: x = -4y and x + 5y = 2<br> Please and thank you.

Novay_Z [31]

Answer:

x = - 8, y = 2

Step-by-step explanation:

$x = - 4y......(1) \\ x + 5y = 2....(2) \\ plug \: x = - 4y \: in \: equation \: (2) \\ - 4y + 5y = 2 \\ y = 2 \\ plug \: y = 2 \: in \: equation \: (1) \\ x = - 4(2) \\ x = - 8\\$

7 0

2 years ago

Round your answer to the nearest hundredth.<br> с<br> B<br> 40°<br> ?<br> 7<br> А

igor_vitrenko [27]

Answer:

take 40 degree as reference angle

using sine rule

let opposite be x

sine 40=opposite/hypotenuse

0.64=x/7

0.64*7=x

4.48=x

Step-by-step explanation:

3 0

2 years ago

The length of a rectangular garden is 5 times its width.

Delvig [45]

Answer:

10 m and 50 m

Step-by-step explanation:

<h3>Given</h3>

l = 5w
A = 500 m²

Length and width

<h3>Solution</h3>

Area formula

A = lw
A= 5w*w= 5w²
5w² = 500
w²= 100
w = √100
w = 10 m

Then

l = 5w = 5*10 m = 50 m

3 0

2 years ago

What would the unit rates be for a man who walked 20 mi in 5 h?

sergey [27]

Four miles every hour

5 0

2 years ago

Read 2 more answers