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Gnom [1K]
3 years ago
11

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.

Mathematics
2 answers:
kompoz [17]3 years ago
8 0

Answer:

The factors of 5y2 − 2y − 7 are (5y − 7) and ( y + 1 )

iren [92.7K]3 years ago
5 0

Answer:

(y+1)

Step-by-step explanation:

use quadratic formula.

you will get two values of y

y= 7/5 and y= -1

u can create factors using these values of y (making 0 subject)

like

for 7/5

7/5=y

7=5y

5y-7=0

zero becomes subject in such cases bcz there are no numbers left on that side

now for -1

-1=y

y+1=0

so your factors are 5y-7 and y+1

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The cost of 5 gallons of gasoline is $20. Write an equation to show the relationship between the cost, c, and the gallons of gas
EastWind [94]

Answer:

the gas 4$

Step-by-step explanation:

5x=20

divide 5/5 to cancel the 5 then 20/5 and there you have it 4

3 0
3 years ago
A right triangle has a side of length 1 fourth and a hypotenuse of length 1 third. What is the length of the other side?
Marina86 [1]

Answer:

The other side = \frac{1}{12} units

Step-by-step explanation:

A right triangle has a side of length \frac{1}{4} units and;

the hypotenuse is \frac{1}{3}

According to Pythagorean theorem,

a² + b² = c² , where a and b are the two legs of a triangle and c is the hypotenuse.

Lets say a² = (\frac{1}{4}) ^2   and  c² = ((\frac{1}{3} )^2

b² = c² - a²

b² = \frac{1}{9} - \frac{1}{16} = \frac{1}{144}

So b = \sqrt{1/144} = \frac{1}{12} units.

So the other side = \frac{1}{12} units.

5 0
3 years ago
PLEASE HELP ILL GIVE BRAINLIEST
kondor19780726 [428]

Answer:

(-2,0) (1,0) (6,0)

Step-by-step explanation:

I used synthetic division which is a lot to explain so I would recommend googling it

6 0
4 years ago
Read 2 more answers
Anna and Betty share 24 sweets in the ratio 3:5. How many sweets do they get each?
Alborosie

Answer:

Anna  9 and Betty 15

Step-by-step explanation:

sum the parts of the ratio , 3 + 5 = 8 parts

divide number of sweets by 8 to find value of one part of the ratio

24 ÷ 8 = 3 ← value of 1 part of the ratio , then

3 parts = 3 × 3 = 9

5 parts = 5 × 3 = 15

Anna gets 9 sweets and Betty gets 15

3 0
3 years ago
Past experience indicates that the time re- quired for high school seniors to complete a standard- ized test is a normal random
seropon [69]
With a standard deviation of 6 minutes, we will test the hypothesis that σ = 6 against the alternative that σ < 6 if a random sample of the test times of 20 high school seniors has a standard deviation s = 4.51. use a 0.05 level of significance. <span /><span><span>
</span></span>
6 0
3 years ago
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