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garik1379 [7]
4 years ago
5

Solve for x. 3x - 1 = 20 -7 -19/3 19/3 7

Mathematics
1 answer:
olya-2409 [2.1K]4 years ago
3 0
3x - 1 = 20

3x = 21

x = 7

Your answer is D) 7.
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Whats an expression using exponents for a times a times c times c?
Angelina_Jolie [31]
A^2 x c^2

does that make sence but instead of the little tent you put the number small in the corner of you variable.
6 0
3 years ago
Can some one help me answer all ten questions they are due at 10:00 I will give out brainly. Part 2
Jlenok [28]

Answer:

solve for x

4x-6=26

4x=26+6

x=32/4

x=8

area of rectangle=l*b

=26*14

=364

area of triangle=b*h/2

=18.4*20.4/2

=375.36/2

=187.68 m^2

for another side of a triangle

(18.4)^2+(20.4)^2=c^2

338.56+416.16=c^2

\sqrt{754.72}=c

27.47=c

27.5=c

now, perimeter of triangle=a+b+c

=27.5+18.4+20.4

=66.3 m^2

radius=diameter/2

=26/2

=13 ft

diameter=26 ft

circumference=2πr

=2*3.14*13

=81.64

Area of a circle=πr^{2}

=3.14*(13)^2

=3.14*169

=530.66 ft^2

Step-by-step explanation:

6 0
3 years ago
A flat screen TV is on sale at Best Buy for $295.
Amanda [17]

Answer:

$314.18

Step-by-step explanation:

6.5% as a decimal would be 0.065.

First, multiply 0.065(295) to find the tax.

0.065(295)=19.175.

This means that tax would be $19.18.

Next, add the tax to the cost of the flat screen TV to find the total cost:

$19.18+$295=$314.18

The total cost is $314.18

4 0
3 years ago
antonio burns 75 calories for every 15 minutes he rides his bicyle at that rate how many calories will antonio burn if he rides
DedPeter [7]
Antonio would burn 300 calories if he rides his bicycle for 60 minutes. There is four sets of 15 in 60, and 4 multiplied by 75= 300
4 0
4 years ago
Find the measure of KM¯¯¯¯¯¯¯¯¯¯.
PilotLPTM [1.2K]

Answer:

12

Step-by-step explanation:

(whole secant) x (external part) =    (whole secant) x (external part)

( 7+x+2) * 7 = ( 6+8) * 6

Combine like terms

(9+x) *7 = 14*6

Distribute

63 +7x = 84

Subtract 63

63 +7x -63 = 84-63

7x =21

Divide by 7

7x/7 = 21/7

x = 3

KM = x+2+7

      = 3+2+7

      =12

6 0
3 years ago
Read 2 more answers
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