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Darina [25.2K]
2 years ago
9

If

Mathematics
1 answer:
DedPeter [7]2 years ago
5 0

Answer:

Step-by-step explanation:

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2) -7x + 5y=10<br> 4x - 5y=-10
bezimeni [28]
To solve this, the problem is solvable by elimination. So you see how the 5y and -5y cancel out? You basically add those two and you add the -7x and 4x and 10 and -10 leaving you with -3x=0. Dividing by each side gives you x=0. Then, plug 0 in for x in -7x+5y=10. Giving you

-7(0)+5y=10.

0+5y=10

5y=10
Divide by 5 on each side giving you y=2. So your answer is (0,2).

5 0
3 years ago
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12<br> Х<br> 18<br> x=<br> TO<br> This is 7th grade math
svlad2 [7]
What’s the math called?
3 0
3 years ago
A chocolate chip cookie recipe asks for three and one half times as much flour as chocolate chips. If one and three quarters cup
Ganezh [65]
3.5 times as much flour as chocolate chips....
f = 3.5c
f = 1 3/4 (or 1.75)

1.75 = 3.5c
1.75 / 3.5 = c
0.5 = c......chocolate chips needed would be 1/2 a cup


6 0
3 years ago
Identify and interpret (explain) one other point on the graph.?
Elanso [62]

Answer:

can i getttt a pictture

Step-by-step explanation:

4 0
3 years ago
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Suppose a batch of metal shafts produced in a manufacturing company have a standard deviation of 1.5 and a mean diameter of 205
lawyer [7]

Answer:

the probability is 0.0750

Step-by-step explanation:

The computation of the probability is shown below;

The mean of x is

= 1.5 ÷ √79

= 0.1688

Now the probability is

= P(Z < -0.3 ÷ 0.1688) + P(\bar{x} > 0.3 ÷ 0.1688)

= P(Z < -1.78) + P(Z > 1.78)

= P(Z < -1.78) + 1 - P(Z < 1.78

= 0.0375 + 1 - 0.9625

= 0.0750

hence, the probability is 0.0750

3 0
3 years ago
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