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spayn [35]
3 years ago
12

can you please just help me so that i dont fail this one because everything i've been doing i've been failing and it's because i

didn't take a picture and be like hey is this right. can you please help

Mathematics
2 answers:
Llana [10]3 years ago
7 0

Answer:

1. r=5 2. x=2 3. x=-3 4. y=11 5. x=-11

Step-by-step explanation:

1. 7r-7=2r+18

combine

5r=25r

divide

r=5

5. 3(x-4)=5(x+2)

multiply

3x-12=5x+10

combine

-2x=22

x=-11

Julli [10]3 years ago
6 0
1. r=5
2. x=2
3. x=-3
4. y=11
5. x=-11
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(H/6 )- (1)<br> Solve for H<br> Please help me
likoan [24]

All you need to do for this is remove the parenthese and your answer will be \frac{H}{6} -1 because that's the furthest it can be simplified.

4 0
3 years ago
Jose wants to rewrite 24+9 using the greatest common factor and the distributive property. Which expression should he write?
Reil [10]
First get the factors of 24: 2*2*2*3Then the factors of 9: 3*3 Comparing the factors, the GCF is 3 Then you can rewrite the expression: 3*8 + 3*3 At this point, I'm not sure whether what you mean is really distributive property or not since this case is more of a factoring. 3*(8+3)
4 0
3 years ago
Plot the zeros of this function:<br><br> f(x) = (x – 1)(x – 7).
vredina [299]

Answer:

\boxed{\mathrm{view \: attachment}}

Step-by-step explanation:

The zeros of a function is where the function crosses the x-axis. The x-intercepts are the zeros of a function.

f(x) = (x - 1)(x - 7)

Let output equal to 0.

0 = (x - 1)(x - 7)

Set factors equal to 0.

x-1=0\\x=1

x-7=0\\x=7

The zeros of the function are x=1 and x=7.

5 0
3 years ago
Dwayne walks a total of 960 feet around 3 sides of a square city block. Which
Ugo [173]

Answer:

The perimeter is 1280ft

Step-by-step explanation:

Let the side length of the square be s.

Then the distance around three sides is 3s.

According to the question the distance around 3 sides of a square city block is 960 feet.

This implies that:

3s = 960

s =  \frac{960}{3}

s = 320

The perimeter of a square is

p = 4s

Substitute s=320 to get:

p = 4(320)

p = 1280

The perimeter is 1280 ft

5 0
3 years ago
Read 2 more answers
1. Solve the system by substitution . 2x+y=-11 . 3x-4y=11 . . A. (3,5) . B. (-5,-3) . C. (-3,-5) . D. (5,3).
VMariaS [17]
<span>In the first equation, moving 2x over gives "y = -2x-11". Placing this into the second equation gives "3x - 4(-2x-11) = 11", or "3x+8x+44 = 11", which can be reduced to "11x= -33" or "x = -3". Replacing the "x" with -3 in the first equation gives "-6 + y = -11" or "y = -5". This gives a solution of (-3, -5), or answer C.</span>
5 0
3 years ago
Read 2 more answers
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