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Gekata [30.6K]
2 years ago
5

Maria made 143 for 11 hours of work. At the same rate, how much would she make for 7 hours of work?

Mathematics
1 answer:
navik [9.2K]2 years ago
8 0

Answer:

She would make 91

Step-by-step explanation:

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Point B lies between points A and C on AC. Let x
pashok25 [27]

Answer:

see below

Step-by-step explanation:

Since AB + BC = AC, x + 3x = 20 → 4x = 20 → x = 5.

AB = x = 5 and BC = 3x = 3 * 5 = 15.

3 0
3 years ago
17) -8 square root 128
Anika [276]

- 64 \sqrt{2}

is the answer

8 0
3 years ago
Read 2 more answers
For what value of k, -4 is a zero of polynomial x2-x-(2k+2)?
bekas [8.4K]
Hmm
well, um
if -4 is  a zero then if we subsitute -4 for x, we should get 0

so
0=(-4)²-(-4)-(2k+2)
0=16+4-2k-2
0=18-2k
2k=18
divide by 2
k=9

k=9
the value k is 9
5 0
3 years ago
F(x) = (x - 2)²(x+1)​
Inessa [10]

(x - 2)²(x+1)​

(x-2)(x-2)

multiply the two brackets together

(x)(x)=x^2

(x)(-2)=-2x

(-2)(x)=-2x

(-2)(-2)=4

x^2-2x-2x+4

x^2-4x+4

(x^2-4x+4)(x+1)

multiply the brackets together

(x^2)(x)=x^3

(x^2)(1)=x^2

(-4x)(x)=-4x^2

(-4x)(1)=-4x

(4)(1)=4

x^3+x^2-4x^2-4x+4x+4

Answer:

x^3-3x^2+4

5 0
3 years ago
Solve the following system of equations by using the provided grid: y= -x + 3, y = 3/2x - 2
GenaCL600 [577]
Y = -x + 3
y = 3/2x - 2

-x + 3 = 3/2x - 2....multiply everything by 2 to get rid of the fraction
-2x + 6 = 3x - 4
-2x - 3x = -4 - 6
-5x = -10
x = -10/-5
x = 2

y = -x + 3
y = -2 + 3
y = 1

solution is (2,1)
4 0
3 years ago
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