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Softa [21]
3 years ago
6

Find x Question is attached: PLease I need the answer fast!!!

Mathematics
1 answer:
NikAS [45]3 years ago
4 0

Answer:

Step-by-step explanation:

(-3)ˣ⁻² = -243

(-3)ˣ⁻² = (-3)⁵

x-2 = 5

x = 7

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Dena has 6.25 inches of blue ribbon, 0.375 foot of orange ribbon, and 0.5 yard of green ribbon. How many inches of ribbon does D
ipn [44]

Answer:

<h2>28.75in</h2>

Step-by-step explanation:

We are expected to convert all units to inches in this problem

Step one:

given data

blue ribbon=6.25 inches

orange ribbon=0.375 foot

green ribbon=0.5 yard

Step one:

convert orange ribbon=0.375 foot to inches

1 ft = 12 in

0.375ft=xin

cross multiply

x=12*0.375

x=4.5in

orange ribbon= 4.5in

convert green ribbon yd to inches

1 yd = 36 in

0.5 yd=xin

cross multiply

x=36*0.5

x=18in

green ribbon= 36in

total lenght in inches =6.25+4.5+18

=28.75in

3 0
3 years ago
A carpenter had a piece of wood that was 15 feet in length. If he needs only 10 &amp;five twelfth feet of wood, then how much wo
fredd [130]

Answer:

12.5 feet

Step-by-step explanation:

He only needs 10/12 of a 15 foot long piece of wood. We need to find 10/12 of the length of the wood.

That is:

10/12 * 15 = 12.5 feet

He only needs 12.5 feet of the piece of wood.

7 0
4 years ago
Find the equation of the line: parallel to 3x - y = 11 through (-2,0)
aleksandr82 [10.1K]

Answer:

y=3x+6

Step-by-step explanation:

The slope of the line is 3 and the equation will be y=3x+6

5 0
3 years ago
Read 2 more answers
Please help, I need this by 10 30 AM
Ainat [17]

Answer:

50 laps

Step-by-step explanation:

20+1.25x+15+2.5x+40+1.5x+25+1.75x=450

7x+100=450

7x+200-200=450-100

7x=350

7x/7=350/7

x=50

5 0
3 years ago
Part A: Xavier needs to collect at least 120 cans for a food drive to earn community service credit. He has already collected 64
Sergeu [11.5K]

Answer:

A

Step-by-step explanation:

He needs to collect at least 120 so if c is what he must still collect

64 +c must be greater than or equal to 120

3 0
3 years ago
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