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Debora [2.8K]
3 years ago
5

The sum of 7 times one number, x, and 4 times a second number, y, is 148. If the sum of the two numbers is 31, find the two numb

ers.
Enter a system of equations to represent the situation, then solve the system.

The system of equations is ___ and ___
The first number is ___ and the second number is ___.
Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0

Answer:21.88

Step-by-step explanation:

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Angle ABC is inscribed in a circle as shown.<br><br>What is the measure, in degrees, of angle ABC?
sladkih [1.3K]

Answer

Find out the measure, in degrees, of angle ABC .

To prove

The relationship between inscribed angles and their arcs

The measure of an inscribed angle is half the measure the intercepted arc.

The formula is  

Measure\ of\ inscribed\ angle = \frac{1}{2}\times measure\ of\ intercepted\ arc

As given in the diagram

The measure of the intercepted arc A to B is 120°.

Put value in the formula

\angle ABC = \frac{1\times 120^{\circ}}{2}

∠ABC = 60°

Therefore the measure of the ∠ABC is 60° .


5 0
3 years ago
Write answer as an inequality solved for c ​
g100num [7]
He will spend at least $27. He has already spent $16

27-16=11

So, Henry will spend at least 11 more dollars

C ≥ 11
5 0
3 years ago
kevin is trying to find the height of a tree. he stands 100ft away from the tree and records the angle of elevation to the top o
Morgarella [4.7K]

Answer:

HERES YOUR ASSIGNMENT! I EDITED IT ON MICROSOFT SO THAT I CAN SCREENSHOT IT AND SEND IT TO YOU...I HOPE IT HELPS :)

<h3>ARIGATO OZAIMASU!!!</h3>

6 0
2 years ago
Tony ran laps around a track to raise money for a hospital. Tony raised $15 plus $1.50 per lap that he ran. He raised a total of
sleet_krkn [62]
<span>it is 21.4285714286 but you can just put it as 21.42

</span>
5 0
3 years ago
Betty's grade in science class is affected by the number of missing assignments. The table below shows the science grade percent
Angelina_Jolie [31]

Hi!

y=-5x+95

<em>Plug in </em>15 for x

y=-5(15)+95

<em>Multiply </em>-5 <em>and </em>15

y=-75+95

<em>Add </em>-75 <em>and </em>95

y =15

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

Betty's percentage is 15%.

The rate of change is the amount it changes for every missing assignment, therefore it would be -5.

5 0
2 years ago
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