Plzz answer correctly plz!!!

Answers

Answer 1

Answer:

Answer: 345

Step-by-step explanation:

4x4=8 17x17=289 8x4=32 289+32+16+8= 345

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A decorative gift box is in the shape of atriangular prism as shown. What is thesurface area of the box?12.5 in.10 in.5 in.7.5 in.

You are planning to make a collage and are gathering materials.for the backing you will use a piece of heavy recycled cardboard that is 4 3/4 feet longhand 2 2/5 feet wide .one side of the cardboard will be covered with fabric.the other side will be left bare against the wall when you hang the collage. Estimate how much fabric you will need explain ? Part 2 you decide to place a design in the middle of the cardboard. This will take up an are of 4 1/2 squqre feet rectangular cut outs that have an area of3/8 sq feet will cover this area how many rect will fit in this area?

Answers

1. 4 3/4 feet = 19/4 feet
2 2/5 feet=12/5 feet.
multiplying them together yields
$(19)/(4) * (12)/(5) =$
$= (57)/(5) = 11.4 ft^(2)$

Part 2:
11.4 ft^2 - 4 1/2 ft^2=
11.4-4.5=6.9 ft^2 = 69/10 ft^2 left after you subtract the decoration in the middle
Now you're trying to find now many rectangular cutouts (that each are 3/8 ft^2) will fit in the remaining space.
You do that by dividing the remaining space left by 3/8:
$(69)/(10) / (3)/(8) = (69)/(10) * (8)/(3) = (92)/(5)$
since you have to have a whole number of cutouts, you round 92/5 down to 90/5, which is 18 cutouts

A computer stock lost 2 pounds each hour for 6 hours. find the total points the stock fell

Answers

you multiply 2 by the number of hours, 6.
2x6=12
answer is 12

In math class the girl to boy ratio is 3to 6 if there are 15 girls how many boys are there?

Answers

Another way at looking at it is, for every 3 girls, there are 6 boys or equal to that is a 1:2 ratio. So if there are 15 girls and twice as many guys, there will be 30 guys

proprtions

3 / 6 = 15 / x

so 15 * 6 = 90

divide by 3 and get 30 boys

The four largest railway tunnels in the world are seikan in Japan 33.5 miles simplon no 1 and 2 in Switzerland and Italy 12 miles the English channel tunnel 31 miles and dai-shimizu in Japan 14 miles what is the difference in the length between the longest and the shortest of these tunnels

Answers

33.5 (longest) - 12 (shortest) = 21.5

I got 50 but that's the wrong answer when I put it in

Answers

Answer:

the answer is 50

Step-by-step explanation:

first you want to get the 54 off so you subtract it form both sides and get 1v=50 and then you want to get 1 off so you dived and get v=50. thats strange

If 4 is subtracted from twice a number, the result is10 less than the number. Find the number.

Answers

Let the number be x ,,, 2x-4=x-10x=-6