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Alinara [238K]
3 years ago
14

Please i needhelp

Mathematics
2 answers:
pochemuha3 years ago
8 0
Well 60% of the school is girls so 40% must be boys.
50% of girls walk so 50% of 60% or 30%(0.6*0.5) of the school must walk
20% of boys walk so 20% of 40% or 8%(0.4*0.2) also walk
Thus 30%+8%=38%
Liula [17]3 years ago
3 0

Answer:

70%

Step-by-step explanation:

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1. Kelly has a rock garden with a length of 6 feet. She constructs a scale model of the rock garden using the scale 1 inch:2 fee
alexandr1967 [171]

Answer:

<em>(a) 3 inches </em>

<em>(b) Her scale model drawing WILL fit on the piece of paper 8.5 by 7 inches</em>

Step-by-step explanation:

<u>Scaling </u>

We use scales to represent realities in reduced spaces. In the case of lengths or surfaces, the scale allows us to draw the shapes in normal sheets of paper.  

(a)

Kelly's rock garden has a length of 6 feet. She uses a 1 inch:2 feet scale. this means that the model length is

6 feet*1 inch/2 feet = 3 inches

(b)

The width of the model is 5 inches, keeping the same scale it means the real length is

5 inches * 2 feet / 1 inch = 10 feet

The model will have 3 inches by 5 inches, it perfectly fits on any regular piece of paper

6 0
3 years ago
Cheryl painted her living room walls with two different colors. She painted part of the room yellow and another part green. If t
kramer

Answer:

Total percent of the room did she paint green = 60%

Step-by-step explanation:

Given - Cheryl painted her living room walls with two different colors. She painted part of the room yellow and another part green. If the surface area of the walls in her room is 720 ft² and she painted 288 ft² yellow.

To find - What percent of the room did she paint green ?

Proof -

Given that,

The surface area of the walls in her room = 720 ft²

Total area painted in yellow color = 288 ft²

So,

Total area painted in green color would be = 720 - 288 = 432 ft²

Now,

Let the total percent green color painted = x

So,

720 × x% = 432

⇒720*\frac{x}{100}  = 432

⇒ x = \frac{432*100}{720} = 60

∴ we get

Total percent of the room did she paint green = 60%

7 0
3 years ago
If h(x)=6-x,which is the value of (h*h)(10)
Andrews [41]

Answer:

16

* usually means multiplication

If you have an open circle there instead, please inform me.

Step-by-step explanation:

* usually means multiplication

If you had an open circle there, please let me know.

Find h(10) and then multiply that answer to itself.

h(10)=6-10=-4

So the answer is -4*-4=16

7 0
3 years ago
Can someone help me with this math homework please!
Assoli18 [71]

1. a= 19

2.2 ( second option)

3.C

4D

7 0
3 years ago
How do i solve for x
Basile [38]

Answer: x = 14


Step-by-step explanation:

the whole triangle's area 180 so you would add up all the angles and 66+62+38= 166 and 180-166=14 so 14 would = x


5 0
3 years ago
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