3 years ago

(06.02 MC)

Mathematics

1 answer:

Schach [20]3 years ago

5 0

Mercury←Earth←Saturn←Jupiter

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In Gloria class about 25% of the students wore sweatshirts to school one day. If there are 29 students in her class about how ma

ch4aika [34]

25% wore sweatshirts

25% of 29

0.25 x 29 = 7.25 (assumed 7, since people cannot be halved)

Number of students not wearing sweatshirt = 29 - 7 = 22

22 students did not wear sweatshirts to school that day.

4 0

3 years ago

Factor xsquared +4x+4=0

Alex17521 [72]

So we can use the ac method or foiling to find this answer,

x^2 + 4x + 4 = (x+2)(x+2)

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3 years ago

Write and solve an equation to answer the question, "What number aa is 25% of 64?" An equation is __ =0.25* __. The solution is

Leokris [45]

What number aa is 25% of 64? An equation is a=0.25*64. The solution is a=16. Then check.

64 / 16 = 4. So 16 is the solution.

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3 years ago

-5c = 30<br> Forgot the steps of solving it

Pavlova-9 [17]

Divide 30 by -5. Or 30/-4=C. C=-6

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3 years ago

Which of the following are solutions to the equation below? Check all that apply. (3x - 5)2 = 19 O A. x= 19+ olm B. x= 119 +5 I

asambeis [7]

Solution

$(3x-5)^2=19$

For this case we can take square root in both sides and we have:

$3x-5=\pm\sqrt[]{19}$

And solving for x we got:

$x=\frac{5\pm\sqrt[]{19}}{3}$

then the solutions for this case are:

B and E

8 0

1 year ago