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3 years ago

PLEAS HELP 25 POINTS AND BRAINLEIST

Mathematics

2 answers:

adelina 88 [10]3 years ago

8 0

Answer: 8%

Step-by-step explanation:

After the fourth game, she took 40 shots, 50 of which she made, so she made 40 x .5=20$ shots. Twelve of them were made in the first three games, so in the last game she made $20-12=8 shots.

netineya [11]3 years ago

4 0

Answer:

If it really is out of ten shots the answer should be 6 out of 10.

Step-by-step explanation:

12/30 divided by 3 is 4/10

If she had an increase of 50%, the answer is 6 out of 10 shots.

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PLEASE HELP The perimeter of a square is directly proportional to the length of one of its sides. The perimeter is 28 when the l

Varvara68 [4.7K]

28/7=4. As a result, the constant of proportionality is 4. Hope it help!

7 0

3 years ago

You are remodeling your bedroom. You will paint all 4 walls and the door. There are no windows in the room. The floor is 9' by 1

Aleksandr [31]

Answer:

Part 1) The area of the 4 walls is $368\ ft^2$

Part 2) You will have to buy 2 gallons

Part 3) You will have to buy 3 gallons

Part 4) $\$75$

Part 5) The area of the floor is $126\ ft^2$

Part 6) $\$850.5$

Part 7) $\$1,008$

Part 8) $\$472.5$

Step-by-step explanation:

Part 1) What is the area of all 4 walls together?

we know that

The area of all 4 walls together is equal to the perimeter of the floor multiplied by the height of the wall (8 ft)

The perimeter of the floor is

$P=2(9+14)=46\ ft$

The area of the walls is

$46(8)=368\ ft^2$

Part 2) If a gallon of paint covers 350 sq. ft., How many gallons will you have to buy?

using proportion

$\frac{1}{350}\ \frac{gal}{ft^2}=\frac{x}{368}\ \frac{gal}{ft^2}\\\\x=368/350\\\\x=1.05\ gal$

Remember that you can't buy a fraction of gallon

You will have to buy 2 gallons

Part 3) How many gallons will it take to put on 2 coats of paint?

Now the area will be

$368(2)=736\ ft^2$

using proportion

$\frac{1}{350}\ \frac{gal}{ft^2}=\frac{x}{736}\ \frac{gal}{ft^2}\\\\x=736/350\\\\x=2.10\ gal$

Remember that you can't buy a fraction of gallon

You will have to buy 3 gallons

Part 4) If the paint costs $25 per gallon, and you are applying 2 coats of paint, how much will you spend on paint?

To find the cost multiply the number of gallons by $25 per gallon

$3(25)=\$75$

Part 5) What is the area of the floor?

The area of the floor (rectangle ) is equal to multiply the length of the floor by the width of the floor

$A=(9)(14)=126\ ft^2$

Part 6) What is the cost to redo the floor in oak?

To find the cost multiply the area of the floor by $6.75 per square foot

$126(6.75)=\$850.5$

Part 7) What is the cost to redo the floor in maple?

To find the cost multiply the area of the floor by $8.00 per square foot

$126(8.00)=\$1,008$

Part 8) What is the cost to redo the floor in carpet?

To find the cost multiply the area of the floor by $3.75 per square foot

$126(3.75)=\$472.5$

5 0

2 years ago

A relay team of 4 people run 3 miles . If each person runs the same distance how many miles does each person run? A) 3/4 mile B)

jeka57 [31]

Answer:

A 3/4 mile

Step-by-step explanation:

3/4 = .75

they each ran .75 miles (3/4 of a mile)

6 0

3 years ago

Read 2 more answers

Help please!! Are these triangles similar choices: Both Neither

Roman55 [17]

Answer:

The blue triangle -- ∆QRS only

Step-by-step explanation:

They have the same angles (49° and 96°) and the third angle would be 35°. The pink triangle has none of the same angles measurements

3 0

2 years ago

9. You are standing on a mountain that is 6842 feet high. You are looking down at your campsite, creating an angle of depression

Mkey [24]

Answer:

8,764.53 feet

Step-by-step explanation:

See the attached figure which represents the question.

Let the distance between campsite and the base of the mountain = d

The total height = 6842 + 5.6 = 6,847.6 feet.

As shown at the graph, the angle x and the depression angle are alternate angles, so they are congruent.

∴∠x = 38°

tan x = opposite/adjacent = (total height)/d = 6847.6/d

So, d = 6847.6/tan x

= 6847.6/tan 38° = 8,764.53 feet (to the nearest hundredth)

so, the distance between campsite and the base of the mountain = 8,764.53 feet

4 0

3 years ago