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3 years ago

Look at the photo. Find x

Mathematics

1 answer:

shusha [124]3 years ago

8 0

Sheesh im not sure try and look it up

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3x^2+5x-28=0 solve this for me please

jok3333 [9.3K]

Answer:

x= 7/3

x=-4

Step-by-step explanation:

Use the quadratic formula

a= 3, b=5, c=-28

-5± $\sqrt{5^2-4*3(-28)}$

x= _________________

2.3

Simplfy

$x=\frac{-5+19}{6} \\x=\frac{-5-19}{6}$

8 0

3 years ago

1. A jet travelled 640 miles in 2.5 hours. How far does it travel in 1 hour?

spin [16.1K]

Answer:

1.) 256 miles

2.) 2 1/2 ( 2.5 ) pages a day

Step-by-step explanation:

1.) ( 256 * 2.4 = 640 )

2.) 250 / 20 = 2.5

8 0

3 years ago

4d = -16 <br><br> what’s the value of d

prohojiy [21]

$4d = - 16 \\ \\ d = \cancel \frac{ - 16}{4} \\ \\ d = - 4$

<h3>Hope This Helps You </h3>

7 0

3 years ago

Read 2 more answers

Simplify the expression

anygoal [31]

Your answer would be -11 :)

5 0

3 years ago

Read 2 more answers

Felicia invested $25,000 into an account earning 3% interest compounded annually. She makes no other deposits into the account a

madam [21]

The formula is
A=p (1+r)^t
A future value?
P present value 25000
R interest rate 0.03
T time 9 years

A=25,000×(1+0.03)^(9)
A=32,619.33

7 0

3 years ago