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3 years ago

What is -4/7 times -5?

2 answers:

6 0

I have the answer. Please answer this brainly.com/question/2813301 please fast answer it please!!!!!!!!!!!!!!!!!!!!!!

the answer 4 your question is 2 6/7

nexus9112 [7]3 years ago

3 0

Exact form 20/7

decimal form 2.857142

mixed number form 2 6/7

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3a-2b=50, 2a+3b=100 what does a equal and what does b equal?

harina [27]

A = (350/13) and B = (400/-13)

7 0

2 years ago

Read 2 more answers

Seraphina is driving two hours to visit her family. For the first hour, she traveled at a speed of 60 miles per hour. Then, in t

Gnom [1K]

Answer:

There was a %5 increase

Step-by-step explanation:

You just have to substract 65-60 and you get 5

7 0

3 years ago

Simplify the expression.<br><br> (−2g5h2)5

vampirchik [111]

I am sure you are trying to type

$( - 2 {g}^{5} {h}^{2} {)}^{5}$
If that is it, then you should recall the law of exponents which says,

$({a}^{m} {)}^{n} = {a}^{mn}$
Let us share the exponent for each of them.

$( - 2 {g}^{5} {h}^{2} {)}^{5} = ( { - 2)}^{5} ( { {g}^{5}) }^{5} ( { {h}^{2}) }^{5}$
We now apply the law,

$( - 2 {g}^{5} {h}^{2} {)}^{5} = ( { - 2)}^{5} ( { {g}^{5 \: \times 5}) }^{} ( { {h}^{2 \times 5}) }^{}$
We now simplify to obtain,

$( - 2 {g}^{5} {h}^{2} {)}^{5} = -32 {g}^{25} {h}^{10}$

If that is not the expression let me know so I will know how to help you

4 0

3 years ago

A new cream was developed to reduce the irritation caused by poison ivy. To test the effectiveness, researchers put an ad online

telo118 [61]

Answer:

Single Blind (option 1)

Step-by-step explanation:

The subjects don't know which cream they have but the technicians do.

If the subject knows which cream they have then they can be influenced by the placebo effect. If they don't know but the technicians do then the technicians will be able to look at unbiased responses from the subjects and tell if it works or not. If the technicians don't know which cream each subject has then they won't be able to learn anything from the responses. The technicians need to know which cream each subject has and the subjects can't know which cream they had.

4 0

3 years ago

Solve the variable x. 12yx = 5z

romanna [79]

Answer:

$\boxed{\bold{x \ = \ \frac{5z}{12y} }}$

Explanation:

Solve For X: 12yx = 5z

[ Divide Both Sides By 12y ]

12xy / 12y = 5z / 12y

x = 5z / 12y

- PNW

5 0

3 years ago