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Brrunno [24]
3 years ago
13

Ok this is getting stressful and hard already, we’re not even learning it yet but whatever, please help me will mark Brainliest

if you get it right. I believe in us!

Mathematics
1 answer:
s2008m [1.1K]3 years ago
6 0

Answer:

yes? im pretty sure yeah

Step-by-step explanation:

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Hurry Quick, help me do this problem. I don't understand how to do this so please help! (Problem in photo)
matrenka [14]

Answer:

1) The system of equations is 5x+4y=75 and x+y=18

2) The first number is 3 and the second number is 15

Step-by-step explanation:

1) Let be "x" the first number and "y" the second number.

Remember that:

a- The word "times" indicates multiplication.

b- A sum is the result of an addition.

c- "Is" indicates this sign:  =

Then, the sum of 5 times "x" and 4 times "y" is 75, can written as:

5x+4y=75

And "The sum of the two numbers is 18" can written as:

x+y=18

Therefore, the System of equations is:

\left \{ {{5x+4y=75} \atop {x+y=18}} \right.

2) You can use the Elimination Method to solve it:

- Multiply the second equation by -5, add the equations and then solve for "y":

\left \{ {{5x+4y=75} \atop {-5x-5y=-90}} \right.\\......................\\-y=-15\\\\y=15

- Substitute the value of "y" into any original equation and solve for "x":

x+15=18\\\\x=18-15\\\\x=3

7 0
2 years ago
Question 11 of 45
Bezzdna [24]

Answer:

You are only given a Side, an Angle, and then a side.  So that is what I would choose.  It can't be AA because you weren't given two angles.  It can't be SSS because you weren't given 3 sides.

Step-by-step explanation:

3 0
3 years ago
Which pair of measurements are possible if they are congruent figures?
Marta_Voda [28]

Answer:Measure of angle X=140 degrees and Measure of angle Y= 94 degrees.

Step-by-step explanation:

6 0
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A ball is thrown into the air with an upward velocity of 80 feet per second. The function h = -16t^2 + 80t models the height h,
irakobra [83]

The ball hits the ground when the height  h(t) = 0 , so

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3 years ago
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What is 38000 nearest hundred thousand
rosijanka [135]
There's on 38000 there? is it meant to be 380000?
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