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Iteru [2.4K]
3 years ago
12

Issacc is painting a wall that is 9 feet by 18 feet .So far ,he has painted a part of the wall that is 4 feet by 7 feet rectangl

e. What is the area of the part of the wall that Issacc has left to paint
Mathematics
1 answer:
laila [671]3 years ago
8 0

Answer: The area left is 134 Feet

Step-by-step explanation:

(9 x 18) - (4 x 7)

   162 - (4 x 7)

     162 - 28=

          134

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If LM = 20 cm, and PQ = 16 cm, what is the length of RM, in centimeters?
LuckyWell [14K]

Answer:

RM = 12 cm

Step-by-step explanation:

a^{2} + b^{2} = c^{2}

Assuming 20 is the hypotenuse cus there is no picture:

a^{2} + 16^{2} = 20^{2}

a^{2} +256 = 400

a^{2} = 144

a=144

If It's not the hypotenuse:

16^{2}+ 20^{2} =c^{2}

256+400 =c^{2}

656=c^{2}

c = 25.61249695

But I find it unlikely that 20 wasn't the hypotenuse so ignore that unless it applies.

Hope this helped. :0)

5 0
3 years ago
Mrs. larnell is making snack packs for a class picnic. She puts 1/4 pound of apples, 1/8 pound of nut mix, and 1/16 pound of cho
Leona [35]
The answer is 10.5 pounds. No there is no other solutions.

24 divided by 1/4 = 6 lbs
24 divided by 1/8 = 3 lbs
24 divided by 1/16 = 1.5 lbs

6+3+1.5= 10.5 lbs of food
5 0
3 years ago
Helpp!!! very easy question
bogdanovich [222]

Answer:

The answer is D, E, F  or it is also D to F

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the volume of a cylinder with base diameter 140cm and height 10cm. (22/7)
jeyben [28]

Step-by-step explanation:

could not find the formula ?

the volume of a cylinder is ground area × height.

and the ground area is a circle.

so, all in all we get

pi×r²×h

with r being the radius (half of the diameter), and h being the height.

in our case we get

pi×(140/2)²×10 = pi×70²×10 = 49000×pi =

= 153,938.04... cm³

4 0
2 years ago
(a+b-c)-(b-a-c)<br><br> I NEED IT RN FOR A TEST OR ELSE I AM DEAD FOR LIFE
Zepler [3.9K]

Answer:

<h2><em><u>2a</u></em></h2>

Step-by-step explanation:

(a+b-c)-(b-a-c)

= a + b - c - b + a + c

= a + a + b - b - c + c

= <em><u>2a (Ans)</u></em>

5 0
3 years ago
Read 2 more answers
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