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zubka84 [21]
3 years ago
9

Complete the equation so that it has solutions of –5 and 7 x2 + __ x +__ = 0

Mathematics
2 answers:
Mkey [24]3 years ago
5 0

Step-by-step explanation:

{x}^{2}  + ( - 5 + 7)x + ( - 5) \times 7 = 0 \\  {x}^{2}  + 2x - 35 = 0

Katarina [22]3 years ago
4 0

Answer:

-2x, -35

x2 +   -2x +  -35 = 0

Step-by-step explanation:

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Write the equation of the line that passes thriugh the points (3,-2) and (5,-9)?
Tanya [424]

Answer:

y = -7/2x + 17/2

Step-by-step explanation:

Slope = (-9 - - 2)/(5 - 3)

= -7/2

y-intercept: -2 - (-7/2)(3)

= -2 + 21/2 (-2*2+21)/2

= 17/2

4 0
2 years ago
BRAINLIEST AND FIVE STARS TO CORRECT ANSWER
Llana [10]
The answer is the first option, <-20, -42>.

We can find this by first finding what -2u would equal by multiplying <5, 6> by -2. This gives us <-10, -12>.

Then we need to find out what 5v is equal to, by multiplying <-2, -6> by 5 to get <-10, -30>.

Now that we know what -2u and 5v are, we can substitute them into the equation and get
<-10, -12> + <-10, -30>, which we can split up into -10 - 10 = -20, and -12 - 30 = -42, so your final answer is <-20, -42>.

I hope this helps!
8 0
3 years ago
Write and solve an equation based on the following question.
Ket [755]

Answer:

D

Step-by-step explanation:

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5 0
1 year ago
What is the best interpretation of the y-intercept of the line?
quester [9]

Answer:

Option D. A student who studies 0 hours can expect to score about a 60 on the test

Step-by-step explanation:

we know that

The y-intercept is the value of the y-coordinate when the value of the x-coordinate is equal to zero

In this problem

The x-coordinate represent the hours spent studying

The y-coordinate represent the Test score

so

For x=0, y=60

That means

A student who studies 0 hours can expect to score about a 60 on the test

3 0
3 years ago
Read 2 more answers
Which of the following is true about the expression square root of 3*2
baherus [9]

Answer:

B

Step-by-step explanation:

\sqrt{3}*2=3.464101615137755‬ so it is equal to an irrational number.

2 is rational, and \sqrt{3} is irrational, because it is equal to 1.732050807568877‬

Hope this helps you. Please mark brainliest! Have a nice day!

7 0
3 years ago
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