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Kruka [31]
2 years ago
12

One of the solutions to x² - 2x - 15 = 0 is x = -3. What is the other solution?

Mathematics
1 answer:
worty [1.4K]2 years ago
8 0

Answer:

x= 5

Step-by-step explanation:

factorised the equation is (x-5) (x+3)

x=5 x=-3

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-5/8+(-8/5)= i do not understand how to solve this
nika2105 [10]

Answer:

first find a LCM or least common multiple

-25/40+(-64/40)=

add the numerators or top number

-88/40

then you simplify it

-2 8/40

-2 1/5

I hope this is good enough:

8 0
2 years ago
2. A set of data consists of the number of years that applicants for foreign service
Bad White [126]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the regression equation :

y = 31.6 + 10.9x

x = the number of years of study ;

y = the grade on the test.

The predicted is y which is also the same as the response variable, hence, the response variable is grade on the test

The predictor variable is x, which is the independent variable, which is the number of years of study.

From. The regression output given ;

The slope which is the Coefficient of the predictor variable is 10.9 which means that for every unit change in number of years of study, the grade on test increases by 10.9

The intercept which is the constant value, 31.6, means, the least a person can get in the get in grade is 31.6 (at x = 0)

8 0
3 years ago
Make x the subject of m=n + x/p
marshall27 [118]

Answer:

\boxed{x = p(m - n)}

Step-by-step explanation:

=  > m = n +  \frac{x}{p}  \\  \\  =  > m = (n \times  \frac{p}{p} ) +  \frac{x}{p}  \\  \\  =  > m =  \frac{pn}{p}  +  \frac{x}{p}  \\  \\  =  > m =  \frac{pn + x}{p}  \\  \\  =  > mp = pn + x \\  \\  =  > x + pn = pm \\  \\  =  > x = pm - pn \\  \\  =  > x = p(m - n)

4 0
3 years ago
Please help!!!!! Its timed !!!!! Ill give out most brainly and extra points !!!
Lubov Fominskaja [6]
BRAINLY BRAINLY BRAINLY the answer is C
3 0
3 years ago
Are all parallelograms squares?
pav-90 [236]
No at least two side need to be parallel to be that so almost anything will be your answer
6 0
3 years ago
Read 2 more answers
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