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3 years ago

Hannah purchased three items at the store for $7.05, $8.12, and $3.97. She paid for

Mathematics

1 answer:

vichka [17]3 years ago

6 0

Answer:

She should receive $30.86

Step-by-step explanation:

$7.05 + $8.12 + $3.97 =19.14

50 - 19.14 = 30.86

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a total of 360 people came to the play. there were 100 more adults than children. how many adults and how many children came to

Dmitry [639]

130 children and 230 adults

8 0

3 years ago

If 1 lbs cost $2.90. How much would 2.4 lbs cost

inn [45]

Since 2.4/1 is 2.4, then you would multiple 2.90 by 2.4 to get 6.96.

So 2.4 lbs would cost $6.96.

4 0

4 years ago

The perimeter is 40. How much bigger is the longest side than the shortest side?

sesenic [268]

Answer:

Step-by-step explanation:

40=2a-3+2a+3a+1

add like terms

40=7a-2

get 'a' by its self

40(+2)=7a-2(+2) [2 cancels out]
42(÷7)=7a(÷7) [7 cancels out]
a=6

plug in the answer for Equations

biggest: 3(6)+1= 18+1= 19
smallest: 2(6)-3= 12-3=9

subtract smallest from biggest

19-9=10

3 0

4 years ago

Stells [14]

Answer:

$x = 34.8^\circ$

Step-by-step explanation:

Given

See attachment for triangle

Required

Find x

To do this, we simply apply sin formula which is:

$sin(\theta) = \frac{Opposite}{Hypotenuse}$

In this case, it is:

$sin(x) = \frac{8}{14}$

$sin(x) =0.5714$

Take arcsin of both sides

$x = sin^{-1}(0.5714)$

$x = 34.84791$

$x = 34.8^\circ$ --- approximated

7 0

3 years ago

Jayden wants to lay sod on his front yard and on half of his back yard. His front yard has a length of 50 feet and a width of 80

Svetlanka [38]

Its an area equation. Area is length times width.

So to start, he needs 50x80 square feet in his front yard, BUT THAT IS ONLY HALF OF THE PROBLEM. For the front yard he needs 4000 sq. feet. For the back, it is different. He needs 10x40÷2. To first simplify, we do the multiplication. This comes to 400÷2. then it is simply 200.

Now for the easy part. Take the 4000 and add 200. Answer? 4,200.

7 0

3 years ago