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vfiekz [6]
3 years ago
14

100p for an answer

Mathematics
2 answers:
dlinn [17]3 years ago
8 0
The answer is B.
Hope it helps.

Tom [10]3 years ago
3 0
I thinks it is b because you have to subtract the numbers of 6.4from 42.5 and then u get an answer then u divide the 3.5n to the answer u get after subtracting the numbers of 6.4 from 42.5

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Xio just took a math test with 25 questions, each worth an equal number of points. The test is worth 100 points total. If a scor
Talja [164]
Each question is worth 4 points (100/25=4)
Therefore, when you divide 83 by 4, you get 20.75, as as he's aiming to get a B, this needs to be rounded up to 21.
Xio would need to get 21 questions right to get a B, hope this helps :)
6 0
2 years ago
Read 2 more answers
if 368 teenagers in a population of 4,310 report that they have smoked at least one cigarette during the past year, to one decim
allochka39001 [22]
Divide the amount of teenagers that smoked by the total population:

368 \div 4310 = 0.0853

Multiply this decimal by 100 to convert into a percentage:

0.0853 \times 100 = 8.53

To round to the nearest decimal place, look at the hundredths value:

8.53
3 > 5
8.53 -> 8.5

8.5% of teenagers reported that they smoked at least one cigarette.
4 0
3 years ago
A blueberry recipe calls for 1\frac{3}{4} cups of sugar. How many cups of sugar would need to make the muffin recipe 3 times?
liraira [26]

Answer:

4 3/4

Step-by-step explanation:

Just multiply 1 3/4 and 3 = 4 3/4

4 0
3 years ago
If <br><img src="https://tex.z-dn.net/?f=36%20%5E%7B12%20-%20m%7D%20%3D%206%5E%7B2m%7D%20" id="TexFormula1" title="36 ^{12 - m}
Katyanochek1 [597]

Answer:

6

Step-by-step explanation:

6^{2(12-m)}=6^{2m}\\2(12-m)=2m\\24-2m=2m\\24=4m\\m = 6

8 0
2 years ago
A mailbox that is 36 inches tall is beside a tree.The length of the mailboxes shadow is 28 inches.The length of the trees shadow
mixer [17]

Answer:

10.5 feet

Step-by-step explanation:

In this problem, we have two similar triangles:

- One consists of the mailbox, its shadow and the hypothenuse

- The other one consists of the tree, its shadow and the hypothenuse

The two triangles are similar, so they have same proportions between their sides: therefore, we can apply the rule of three:

\frac{m}{s_m}=\frac{t}{s_t}

where

m = 36 in is the height of the mailbox

s_m=28 in is the shadow of the mailbox

t is the height of the tree

s_t=98 in is the length of the shadow of the tree

Solving for t, we find the height of the tree:

t=\frac{m\cdot s_t}{s_m}=\frac{(36)(98)}{28}=126 in

And since

1 feet = 12 inches

The height of the tree in feet is

t=\frac{126}{12}=10.5 ft

3 0
3 years ago
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