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vova2212 [387]
3 years ago
10

What does the product (-5-2i)(3+7i) equal

Mathematics
1 answer:
Marina CMI [18]3 years ago
8 0
This in what I got:
(-7i)(10i)
-70i
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Please help! Will give the brainiest!!
Eduardwww [97]

Answer:

1. SSS; Triangle ABC is congruent to Triangle DEF; sorry there's no triangle symbol on here.

2. HL; CBA is congruent to ZYX; or ABC is congruent to XYZ

Step-by-step explanation:

5 0
2 years ago
Help please i can’t figure this out
ehidna [41]
To find the y-intercept: replace x with 0
to find the x-intercept: replace y with 0

x-int:
0 = 10x - 32
32 = 10x
x = 3.2
(3.2, 0)
y-int:
y = 10(0) - 32
y = -32
(0, -32)
6 0
3 years ago
A sample size of 500 is sufficiently large enough to conclude that the sampling distribution of the sample proportions is a norm
Paha777 [63]

In a statistical test, the null hypothesis to be made is that the sample proportions do not have any significant differences, which means an equal distribution. This is only rejected when the estimate is equal or less than 0.95. But since in this case it is >0.95, so therefore the null hypothesis is not rejected. Therefore:

<span>False</span>

7 0
3 years ago
PLz help me
zysi [14]

Answer:

The laboure was charging 22% per hour

Step-by-step explanation:

8 0
3 years ago
What is the value of x+y?<br><br> Eight grade math
atroni [7]

Hello! The value of x+y is 12

Make sure to read an explanation so you can understand the solution better.

Any questions about the answer and explanation can be asked through comments.

Step-by-step explanation:

We can simply solve the system of equations by substituting x = 3y in the first equation

\large{2x + 2y = 24} \\  \large{2(3y) + 2y = 24} \\  \large{6y + 2y = 24} \\  \large{8y = 24} \\  \large{y = 3}

Therefore, the value of y is 3. Then we substitute the value of y in x = 3y.

\large{x = 3y} \\  \large{x = 3(3)} \\  \large{x = 9}

Therefore, the value of x is 9.

Since you want to find x+y, simply add 9 and 3 as we get 12.

Therefore x+y = 12.

6 0
2 years ago
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