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3 years ago

Multiple Response. Select all the equations that have exactly one solution.

Mathematics

1 answer:

yKpoI14uk [10]3 years ago

8 0

Answer:

A, B, D

Step-by-step explanation:

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Marcus needs to bike at least 80 mi this week for a training if he has already bike 25 mi this week then how many miles should h

Rashid [163]

Marcus needs to bike at least 11 miles each day.

Step-by-step explanation:

Given,

Distance to cover = 80 miles at least

Distance already biked = 25 miles

Number of days left = 5

Let,

x be the distance to cover in 5 days.

According to given statement;

Number of days left * Distance to cover + distance already bike ≥ Total distance to travel

$5x+25\geq 80\\5x+25-25\geq 80-25\\5x\geq 55$

Dividing both sides by 5

$\frac{5x}{5}\geq \frac{55}{5}\\x\geq 11$

Marcus needs to bike at least 11 miles each day.

Keywords: inequality, division

Learn more about division at:

#LearnwithBrainly

7 0

3 years ago

NEED HELP !!!!!! READDD THE QUESTION THERE ARE TWO PARTS

mel-nik [20]

We have to find horizontal component of Mayosons velocity.

$\\ \tt\bull\leadsto V_x=vsin\theta$

$\\ \tt\bull\leadsto V_x=2.5sin36$

$\\ \tt\bull\leadsto V_x=2.5(0.58)$

$\\ \tt\bull\leadsto V_x=1.45m/s$

Here 2 vectors A=8 and B=2.5

$\\ \tt\bull\leadsto \overrightarrow{R}$

$\\ \tt\bull\leadsto \sqrt{A^2+B^2+2ABcos\Theta}$

$\\ \tt\bull\leadsto \sqrt{8^2+2.5^2+2(8)(2.5)cos36}$

$\\ \tt\bull\leadsto \sqrt{64+6.25+40(0.8)}$

$\\ \tt\bull\leadsto \sqrt{70.25+32}$

$\\ \tt\bull\leadsto \sqrt{102.25}$

$\\ \tt\bull\leadsto 10.15m/s$

3 0

3 years ago

Solve the system of equations.<br> y = 9x<br> y= 2x+56

nadya68 [22]

Answer:

(8, 72)

Step-by-step explanation:

Here we have two separate equations for y: y = 9x and y = 2x + 56.

Equating these equations eliminates y temporarily; we get:

9x = 2x + 56, or 7x = 56. Dividing both sides by 7 results in x = 8.

Then, by the first equation, y = 9(8) = 72.

The solution is (8, 72).

5 0

2 years ago

77 is 56% of what number

Fiesta28 [93]

Answer:

137.50

Step-by-step explanation:

please give branliest

4 0

2 years ago

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The first week at robs new job he spent 12.84, 9.50, 10.25, 4.99, 8.59 on lunch

andrew-mc [135]

11.59? hmm hold on.. i dont think thats right

5 0

3 years ago

Read 2 more answers