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Effectus [21]
2 years ago
13

The triangles below are similar; find the correct value of x. If necessary, round to the nearest tenths place.

Mathematics
1 answer:
Alekssandra [29.7K]2 years ago
4 0
Where the triangle at?
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Help OvO with this math question-
harkovskaia [24]

Answer:

C

Step-by-step explanation:

40 x 80 = 3200

120 x 100 = 12000

3200 + 12000 = 15200

6 0
2 years ago
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Bryan gave a cashier $15 to pay for a sandwich and chips. He received $3.65 in change. If the sandwich cost $9.99, how much did
andrew11 [14]

Answer:1.36 for the chips

Step-by-step explanation:

15-9.99=5.01

5.01-3.65=1.36

6 0
3 years ago
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If A = 0 in a linear equation of the form Ax + By = C, then which statement is also true?
andrew-mc [135]
If A = 0, then Ax + By = C would be 0x + By = C.
The graph will be a horizontal line.
3 0
2 years ago
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The sum of the digits of a two-digit number is 5. If the number is multiplied by 3, the result is 42. Write and solve a system o
Elenna [48]
A two digit number has a tens digit and a ones digit.
Let's say x = tens digit and y = ones digit

"The sum of the digits is 5"
x + y = 5

The next phrase is "the number multiplied by 3 is 42" but we need to represent the number using the digits. So they need to be multiplied first by their place value and added together. [Example: 34 = 3(10) + 4(1)]

The number is: 10x + y
3(10x + y) = 42

The system of equations: (two equations for two unknowns)
x + y = 5
30x + 3y = 42

Then you can use substitution or elimination to combine and solve.
I'll use elimination, multiply the entire top equation by -3 and add the equations together. y will cancel out

-3x - 3y = -15
30x + 3y = 42
------------------
27x + 0 = 27
x = 1

then plug x = 1 into either equation to find y

1 + y = 5
y = 4

remember the x and y represent digits so the number xy is 14
6 0
3 years ago
Look at the graph below measuring the speed of a truck and answers the following 2 question.
NemiM [27]
X would be equal to time and y be equal to distance

The y axis would be measuring distance and the x axis would be measuring time. Another name for a speed graph is the distance time graph. The y axis would be measuring the distance covered by the truck in meters and the x axis would be for the time it takes to reach that distance in second.



B) 2-6 would represent contact motion, meaning the vehicle is at rest. The time would be increasing from 2-6 to however the distance remains the same which is 20m
4 0
2 years ago
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