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allochka39001 [22]
3 years ago
15

Which expression is exactly equivalent to 5a + 3b + 4 + 7a + 9 ?

Mathematics
2 answers:
Cloud [144]3 years ago
7 0

Answer:

Step-by-step explanation:

5a+3b+4+7a+9=

=12a+3b+13

allsm [11]3 years ago
6 0
Expression 2
12a+3b+13
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Make a table of values with the equation provided. Thanks! :)
QveST [7]

Answer:

The answer is in the picture, good luck :)

Step-by-step explanation:

7 0
3 years ago
The output of a function is 5 more than 2 times the input. Find the input when the output is 17.
Tanya [424]

Answer:

<em>The input when the output is 17 is x=6.</em>

Step-by-step explanation:

<u>Functions</u>

Assume the input is called x and the output is the function f(x). Two times the input is 2x. 5 more than that is 2x+5.

Knowing the output of the function is 5 more than 2 times the input, we can write the function as:

f(x)=2x+5

Now find the input x when the output is 17:

17=2x+5

Swap sides of the equation:

2x+5=17

Subtract 5:

2x=17-5=12

Divide by 2:

x=12/6=6

The input when the output is 17 is x=6.

7 0
2 years ago
Is 7 a factor of 56 or is 8 a factor of 56?
adelina 88 [10]
8 and 7 are both a factor of 56.
8 0
2 years ago
Read 2 more answers
I need help please!!
Sergio039 [100]

Answer:

16 cm2

Step-by-step explanation:

By equa tion of area of triangle: S = 1/2 * height * base

Triangle B: 32  = 1/2 * 8 * x --> x = 8 (cm)

The base of triangle A is half of the base of triangle B so it is 4 cm.

The area of triangle A = 1/2 * 8 * 4 = 16 (cm2)

5 0
2 years ago
Kyle held a balloon 8ft off the ground above his head and Ava is standing 15 feet directly to g the right of Kyle how far is Ava
ryzh [129]

Answer:

17

Step-by-step explanation:

Pythagorean theory baby! Okay so the Pythagorean theory is a² + b² = c² so lets draw a triangle and label our sides. So we know 8² + 15² = c² so I'm going to find the square root of all of our numbers. We get 64 + 225 = c² so then add 64 + 225 = 289 then I take the square root of 289 which equals 17 . This answer also makes sense because out hypotenuse should always be bigger then the legs.

I'm pretty sure thats right, Hope this helps.

5 0
3 years ago
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