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2 years ago

60 pts urgent help

Mathematics

1 answer:

bagirrra123 [75]2 years ago

6 0

Answer:

a) 5

b) y=-3/2

Step-by-step explanation:

2y=5x-3

y=5x/2-3/2

To find the y-intercept, set x=0

y=5×0/2-3/2

Apply Zero Property of Multiplication

y=-3/2

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Abby did 121 sit ups in 8 minutes estimate the number of sit ups she did in 1 minute

const2013 [10]

You would divide 121 by 8.
121 / 8 = 15.125 So she did about 15 sit ups in a minute. Hope this helps!

4 0

3 years ago

Read 2 more answers

The average weight of 7 potted plants is 23 pounds. An 8th potted plant is added to the pallet,

cluponka [151]

Answer:

The weight of the 8th plant is 39lb

Step-by-step explanation:

Given:

Average Weight of 7 plants = 23lb

Average Weight of 8 plants = 25lb

Required:

Weight of the 8th plant

To solve this, the total weight of the initial 7 plants need to be calculated;

$Average = \frac{Sum-of-weights}{Number-of-Plants}$

Substitute 23 for Average and 7 for Number of plants

$23 = \frac{Sum-of-weights}{7}$

Multiply both sides by 7

$7 * 23 = \frac{Sum-of-weights}{7} * 7$

$161 = Sum-of-weights$

Hence, the 7 plants weigh 161

Represent the weight of the 8th plant with E

When the 8th plant is added;

The sum of the weight becomes 161 + E

And the number of plants becomes 8

The average is calculated as thus

$Average = \frac{Sum-of-weights}{Number-of-Plants}$

$25 = \frac{161 + E}{8}$

Multiply both sides by 8

$8 * 25 = \frac{161 + E}{8} * 8$

$200 = 161 + E$

Subtract 161 from both sides

$200 -161 = 161 - 161 + E$

$39 = E$

Reorder

$E = 39$

Hence, the weight of the 8th plant is 39lb

6 0

3 years ago

The equation of a linear graph with a y-intercept of 2/5 and a gradient -1/4 is:

sergiy2304 [10]

Answer:

C is the correct answer

7 0

3 years ago

Charlene wants to earn at least $600 this month in commission. What is the minimum amount she needs to sell to earn $600 if she

nika2105 [10]

Answer:

She will need to earn a little more than $1333 that week.

Step-by-step explanation:

600/0.45 = 1333.333(repeating) rounded to nearest dollar is 1333

Check by doing 1333 x 0.45 (comes out to be 599.85)

3 0

3 years ago

A stock was purchased at $15.75 per share, and sold at $19.25 per share.

BARSIC [14]

ANSWER:
B. $3.50

STEP BY STEP EXPLANATION:

We start out with buying the stock for $15.75 then sell it at $19.25. We need to find the difference.

Subtract $15.75 from $19.25

19.25 - 15.75 = 3.50

To check your work add $3.50 to $15.75

15.75 + 3.50 = 19.25

Hope this helps and please mark brainliest! : )

3 0

3 years ago