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Vlad1618 [11]
3 years ago
10

9+5(4x+4) how do I solve this problem?

Mathematics
1 answer:
valentinak56 [21]3 years ago
7 0

Answer:

math

Step-by-step explanation:

no explanation needed

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Solve the following quadratic equation. Express your answers in exact form.
wlad13 [49]

Answer:

x = (2+√10)/ 3 and x= (2-√10/3)

Step-by-step explanation:

g(x) = -3x² +4x +2

use the quadratic formula x= (-b±√b²-4ac)/2a, when g(x) = ax² +bx +c

x= [-4 ±√4²-4*(-3)*2] / 2*(-3) , solve under the square root

x= (-4 ± √16 +24) / -6 , add under the radical

x= (-4 ±√40) / -6, simplify the square root

x= (-4 ±2√10) /-6, factor -2

x= -2 (2±√10)/-2 *3, simplify -2

x= (2±√10)/3

Therefore,

x = (2+√10)/ 3 and x= (2-√10/3)

5 0
3 years ago
MAX POINTS!!!! Please help me solve the problem in the picture and tell me what I’m doing also explain each step.
lapo4ka [179]

Answer: j=0.4

-j+0.8=-0.9j+0.76

-j+0.8+0.9j=-0.9+0.76+0.9j

-0.1j+0.8=0.76

-0.1+0.8-0.8=0.76-0.8

-0.1j=-0.04

-0.1j/-0.1=-0.04/-0.1

j=0.4

Ya have a good day.

5 0
3 years ago
Read 2 more answers
According to data from the U.S. Department of Education, the average cost y of tuition and fees at public four-year institutions
lianna [129]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
20 POINT!!!!!!!11PLEASE HELP!!!!!
Vera_Pavlovna [14]

Answer:

14 millimeters

Step-by-step explanation:

V=(4/3)πr³

1372π(1/3)=(4/3)πr³

1372=4r³        <em>(cancel out the pi and multiply both sides by 3)</em>

r³=343

r=7

Diameter is twice the radius = 2(7) = 14

8 0
3 years ago
Read 2 more answers
a pineapple is 7 times as heavy as an orange. the pineapple also weight 870 grams more than orange what is the total weight in g
Alex Ar [27]
An orange ... o grams = ?
a pineapple ... p = 7 * o
                        p = 870 grams + o

If you would like to know what is the total weight in grams for the pineapple and orange, you can calculate this using the following steps:

7 * o = 870 + o
7 * o - o = 870
6 * o = 870      /6
o = 870 / 6
o = 145 grams

p = 7 * o = 7 * 145 grams = 1015 grams

Result: A pineapple weights 1015 grams and an orange 145 grams.
7 0
3 years ago
Read 2 more answers
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