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Oksana_A [137]
3 years ago
6

Need this ASAP thanks

Mathematics
1 answer:
Kruka [31]3 years ago
7 0

Answer:

A. Substitution

Step-by-step explanation:

You have already gotten what y is in x terms, so you could plug that into the first equation and find out what y and x are

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Solve the equation<br> 1/10 (x+108)=-2(6-x)
pav-90 [236]

the answer is....x =12

5 0
3 years ago
In ΔKLM, the measure of ∠M=90°, the measure of ∠L=76°, and LM = 99 feet. Find the length of KL to the nearest tenth of a foot.
hram777 [196]

Answer:

The length of KL is 409.2 foot

Step-by-step explanation:

Firstly, please check attachment for diagrammatic representation.

From the diagram, we can see that we are asked to calculate the value of the hypotenuse KL. Kindly note that the hypotenuse is the longest side of the right-angled triangle and it faces the angle 90 at all times.

Looking at what we have, we can see that we have adjacent and we are asked to calculate hypotenuse.

The trigonometric identity to use here is the Cosine

Cosine = length of adjacent/length of hypotenuse

cos 76 = 99/hypotenuse

hypotenuse = 99/cos76

hypotenuse = 99/0.24192

hypotenuse = 409.22 which is 409.2 to the nearest tenth of a foot

7 0
3 years ago
A bus traveled 744 miles between two cities. The bus travels at a speed of 48 mph. Write a multiplication equation and then solv
Ket [755]

Answer:747

Step-by-step explanation:

7 0
3 years ago
Pictures are in order of the questions
olasank [31]

Problem 1

<h3>Answer: choice B) They are supplementary angles</h3>

--------------

Explanation:

The two angles combine to form a straight angle (which is 180 degrees). Another term for these angles is "linear pair" since they form a straight line.

=================================================

Problem 2

<h3>Answer: choice B) x = 7</h3>

--------------

Explanation:

The diagonal is never used in this problem. For any rhombus, the four exterior sides are always the same length.

=================================================

Problem 3

<h3>Answer: Choice D) 62 degrees</h3>

----------------

Explanation:

We use the angle addition postulate. This allows us to combine angles BAC and CAD to form angle BAD.

(angle BAC)+(angle CAD) = angle BAD

30 + x = 92

x = 92-30

x = 62

angle CAD = 62

4 0
3 years ago
Z^2+1+y when y=4, and z=3.
OlgaM077 [116]
3^2+1+4=14 the answers 14
7 0
2 years ago
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