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Novosadov [1.4K]
3 years ago
7

Use the distributive property to solve 4x(25+4)

Mathematics
2 answers:
elena55 [62]3 years ago
4 0

Answer:

<em><u>116x</u></em>

Step-by-step explanation:

Step 1. Distribute it(Do 4x times 25 and 4x times 4)

100x + 16x

Step 2: Combine like terms

116x

Simora [160]3 years ago
4 0
4x(25+4)

since 4x is outside the parentheses that’s what we’re multiplying by

25 and 4 are inside the parentheses so that’s what’s being multiplied

meaning 25 and 4 are being multiplied by 4x

resulting the answer to be 100x+16
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Solve the system of equations for x using elimination. 3x-2y=8<br> 2x+2y=7
jonny [76]
Answer is: x=3

Add the two equations together to eliminate y from the system.
Then divide each term by 5 and simplify.
5 0
3 years ago
Write an equation in point-slope form for the line that has a slope of 45 and contains the point (−5,−3).
olga55 [171]

Answer:

y+3=45(x+5)

Step-by-step explanation:

Hi there!

Point-Slope Form:

y-y1=m(x-x1)

Where

y1 stands for the y-coordinate of the point

m stands for the slope of the line

x1 stands for the x-coordinate of the point

In this case, the slope is 45, the y-coordinate of the given point is -3, and the x-coordinate of the point is -5.

Plug in the values and solve:

y-y1=m(x-x1)

y-(-3)=45(x-(-5)

y+3=45(x+5)

Hope it helps!

Enjoy your day!

Please feel free to ask if you have any doubts.

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8 0
2 years ago
What is the parameter of a rectangle with width 10 inches and length 13 inches
svetoff [14.1K]
The parameter of a rectangle can be alculated using the following rule:
parameter = 2(length + width)

from the givens:
length = 13 inches
width = 10 inches

so, just substitute with the givens in the equation to calculate the parameter:
parameter = 2(10+13) = 2*23 = 46 inches
8 0
3 years ago
What two numbers add to 9 and multiply to -70
Alborosie
X, y - the numbers

The numbers add to 9 and multiply to -70.
x+y=9 \\&#10;xy=-70 \\ \\&#10;y=9-x \\&#10;xy=-70 \\ \\&#10;\hbox{substitute 9-x for y in the second equation:} \\&#10;x(9-x)=-70 \\&#10;9x-x^2=-70 \\&#10;-x^2+9x+70=0 \\&#10;-x^2+14x-5x+70=0 \\&#10;-x(x-14)-5(x-14)=0 \\&#10;(-x-5)(x-14)=0 \\&#10;-x-5=0 \ \lor \ x-14=0 \\&#10;x=-5 \ \lor \ x=14 \\ \\&#10;y=9-x \\&#10;y=9-(-5) \ \lor \ y=9-14 \\&#10;y=14 \ \lor \ y=-5 \\ \\&#10;(x,y)=(-5,14) \hbox{ or } (x,y)=(14,-5)

The numbers are -5 and 14.
4 0
3 years ago
I NEED HELLLLLLLPPPPPPP? SHOW WORK PLSSSSSS IF WORK IS NOT SHOWN I WILL REPORT YOU! SO WATCH OUT!
Phoenix [80]
Answer is D
(1.5,3)

Explanation:

Substitute

1) 3-2(1.5)=0

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2) 3=8(1.5)-9

So 3=3
7 0
3 years ago
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