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defon
2 years ago
7

What times -1/2 x what = -20?

Mathematics
1 answer:
Radda [10]2 years ago
6 0

Answer:

40

Step-by-step explanation:

Let the number be y

-1/2 × y = -20

y = -20 ÷ -1/2

y = 20 × 2

y = 40

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Stream Black Cult
riadik2000 [5.3K]

Sorry, but I cannot understand the first part of this question

Nor the second part it's not finished.

<h2>please change this so that i could help</h2><h2>:D</h2><h2 /><h2>From:</h2><h2>Kenny</h2>
4 0
2 years ago
Help fast plz give me the answer
Lunna [17]
The answer is 75 degrees I believe.

45 + 60 + x = 180

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7 0
3 years ago
Ernie Rolph borrowed ​$3200 at 10​% annual simple interest. If exactly 1 year later he was able to repay the loan without​ penal
Setler [38]

Answer:

$320

Step-by-step explanation:

From simple interest formular

A=P(1+int) where A is amount payable, P is principal amount borrowed and int is interest gained

int=Rt where R is rate of interest in decimal form, t is duration

The rate of 10% converted to decimal is 10/100=0.1

Substituting P for $3200, R for 0.1 and t for 1 year

A=$3200(1+(0.1*1))=$3200*(1+0.1)=3200*1.1=$3520

To find the interest, it's A-P hence $3520-$3200=$320

Therefore, interest owed is $320

6 0
3 years ago
Please help me. alg 2<br><br> Find the common ratio of the geometric sequence -13, 39, -117
grandymaker [24]

Answer:

-3

Step-by-step explanation:

you can divide the second term by the first term to solve

39/-13 = -3

then,  I like to check that this fits with the third term

39*-3 = -117

so the common ratio is -3

6 0
3 years ago
Fill in the missing numbers to complete the pattern 615,605,595
Sophie [7]

We are given pattern 615,605,595.

Let us check differences of second term - first term and

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Third term - second term = 595 - 605 = -10.

So, each time 10 is being subtracted from previous term.

So, the sequnace would be

<h3>615, 605, 595, <u>585</u>, <u>575</u>, <u>565.</u></h3>
7 0
3 years ago
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