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AleksAgata [21]
3 years ago
12

(90 ÷ 5) + (78 × 34)

Mathematics
2 answers:
Nataly_w [17]3 years ago
5 0

First of all, we need to solve the parentheses.

90/5=18

78(34)=2652

Now we add.

2652+18=2670

Therefore, our answer is 2670

I hope this helps!

irina [24]3 years ago
3 0

(90 ÷ 5) + (78 × 34)

= 18 + 2652

= 2670

Answer: 2670

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Answer:

If im not wrong i think its 24 units²

Step-by-step explanation:

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3 years ago
A square pyramid has a base length of 4 inches. The height of each triangular face is 12 inches. What is the surface area of the
Wittaler [7]

Answer:

The surface area of the given pyramid is 112 inches^{2}.

Step-by-step explanation:

Base length of the pyramid = 4 inches

Area of the base = length^{2}

                            = 4^{2}

                            = 16

Area of its base = 16 inches^{2}

Area of one of its triangular surface = \frac{1}{2} x base x height

                                 = \frac{1}{2} x 4 x 12

                                 = 2 x 12

                                 = 24 inches^{2}

Area of all its four triangular surfaces = 4 x 24

                                                       = 96 inches^{2}

surface area of the pyramid = sum of areas of all its surfaces

                                               = 16 + 96

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The surface area of the given pyramid is 112 inches^{2}.

8 0
3 years ago
What can you conclude about the signs of two integers whos product i a positive and negative
KengaRu [80]

If two integers product is:

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7 0
3 years ago
5 lb. 10 oz. − 3 lb. 1 oz. = lb. oz.
Darina [25.2K]

Answer:

2 lbs  9 oz

Step-by-step explanation:

Lets line up the ounces and pounds and subtract

  5 lb. 10 oz.

− 3 lb. 1 oz.

------------------------

2 lbs  9 oz


3 0
3 years ago
Read 2 more answers
How much material is used
Neko [114]
This question is essentially asking you to find the surface area of the box.
The formula for SA on a rectangular prism is: 2(L*W+L*H+W*H)
L=Length W=Width H=Height

Lets input the information we know:
2(20*8+20*30+8*30)
Follow BEDMAS
2(160+600+240)
2(760+240)
2(1000)
2*1000
=2000

The box will need 2000 centimeters squared of material.

Hope this helps!
-Benjamin
5 0
4 years ago
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