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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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Label the following as either function or relation ​
Katarina [22]

I can't see anything so I'll say function. Next time add a screenshot!

Best of luck to you

4 0
2 years ago
A ride at a carnival has two types of cars for children to ride one type has two seats and one has four seats there are 25 cars
Darya [45]

Answer:

10

Step-by-step explanation:

To solve this problem you need to create a system of equations. In these equations, use a = 2-seated car and b = 4- seated car

The first equation that you can make can be a + b = 25 because the number of 2-seated cars plus the number of 4-seated cars is going to equal a total of 25 cars.

The next equation you can make is 2a + 4b = 70 because the number of seats provided by the 2-seated cars plus the number of seats provided by the 4-seated cars will equal 70 total seats.

Next, line up the equations and solve:

Step one: Line up the equations

                a +  b = 25

             2a + 4b = 70

Step two: Multiply the top equation by -2 so that you can add both of                                        the equations together

             -2(a) + -2(b) = 25(-2)   ⇒   -2a - 2b = -50

                2a +    4b = 70         ⇒    2a + 4b = 70

Step three: Add the equations

               -2a - 2b = -50

              + 2a + 4b = 70

            ______________

                         2b = 20

Step four: Divide both sides by 2 in order to solve for b

                2b = 20 ⇒ b = 10  

Because b represents the number of 4-seated cars, you now know that there are 10 4-seated cars on the ride.          

3 0
3 years ago
Find the midpoint of the segment with the following endpoints.<br> (10,2) and (5, -7)
Sati [7]

Answer:

(7.5 , -2.5)

Step-by-step explanation:

Sub the values into this formula

4 0
3 years ago
3.8x 10^2 + 1.7 x10^3
mamaluj [8]

Answer:

2080

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Help me please with the problem!!!!!!
NISA [10]

Answer:

D. 8

Step-by-step explanation:

We need to count how many are longer than 7.  There are 4 leaves that are 7 inches long. 3 are 8 inches long. 1 in 9 inches long. Adding these up gives us our answer. Let x be the leaves 7 inches or longer.

4+3+1=x

Add 3 and 1.

4+4=x

Add 4 and 4

8=x

There are 8 leaves that are 7 inches or longer.


4 0
3 years ago
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