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denpristay [2]
2 years ago
13

Evaluate -9-13+2+13 please

Mathematics
2 answers:
s344n2d4d5 [400]2 years ago
7 0

Answer:

-7

Step-by-step explanation:

PIT_PIT [208]2 years ago
6 0

Answer: that is -7

Step-by-step explanation:

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Danny answered 70 % questions correctly on his math test. if he answered 35 questions correctly, how man y were on the test
liraira [26]

Answer:

50 questions.

Step-by-step explanation:

70% - 35

100% - \frac{100}{70} × 35 = 50

6 0
3 years ago
What is u = kx + ух, for x
Ivahew [28]

Answer:

<h2>x=  \frac{u}{k + y}</h2>

Step-by-step explanation:

u = kx + ух

First of all factorize x out at the right side of the equation

That's

u = x(k + y)

Divide both sides by ( k + y) to make x stand alone

That's

<h3>\frac{x(k + y)}{k + y}  =  \frac{u}{k + y}</h3>

We have the final answer as

<h3>x =  \frac{u}{k + y}</h3>

Hope this helps you

6 0
3 years ago
A and B are points on a line that has the slope 2. The abscissa of B exceeds the abscissa of A by 3.5. State the relationship of
Troyanec [42]

Answer:

The ordinate of B exceeds the ordinate of A by 7

Step-by-step explanation:

Let

A(x1,y1),B(x2,y2)

where

x1 is the abscissa of A

x2 is the abscissa of B

y1 is the ordinate of A

y2 is the ordinate of B

we know that

m=\frac{y2-y1}{x2-x1}

m=2

so

2=\frac{y2-y1}{x2-x1}  -----> equation A

x2=x1+3.5 ----> equation B

substitute equation B in equation A

2=\frac{y2-y1}{x1+3.5-x1}  

2=\frac{y2-y1}{3.5}  

7=y2-y1  

y2=y1+7  

therefore

The ordinate of B exceeds the ordinate of A by 7

6 0
3 years ago
What is -2 22/25 as a decimal?
adelina 88 [10]

Answer:

-2 22/25 = -72/25

= -2.88

8 0
3 years ago
Read 2 more answers
I will give brainliest if you answer this simple question.
Citrus2011 [14]

Answer:

2

Step-by-step explanation:

5-3=2 you subtract to get the answer

7 0
3 years ago
Read 2 more answers
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