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Oksi-84 [34.3K]
3 years ago
9

I need help?????????

Mathematics
1 answer:
zalisa [80]3 years ago
3 0

Answer:

D

Step-by-step explanation:

The contrapositive is where the variables are reversed and the positive/negatives are reversed. For example, the contrapositive of the statement "If it rained last night, the ground is wet" is "If the ground is not wet, it did not rain last night".

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How you round 348 to the nearest ten and to the nearest hundred explain
givi [52]

Answer:

Nearest ten-350

Nearest hundred-300

Step-by-step explanation:

#When rounding to the nearest ten, we look at the ones digits in a number:

  • If the ones digit  is 0, 1, 2, 3, or 4, you will round down to the previous ten
  • If the ones digit is 5, 6, 7, 8, or 9, you will round up to the next ten

Given the number 348, 8 in the ones digit greater than 4 so we round to the next ten:

                    348 ≈350

#When rounding to the nearest hundred, we look at the tens digits in a number:

  • If the ones digit  is less than 5 you will round down to the previous hundred
  • If the ones digit is greater than 4, you will round up to the next hundred

Given the number 348, 4 in the tens digit less than 5 so we round down to the previous hundred:

                       348 ≈300

6 0
3 years ago
a scale drawing of a bus has a scale of 1/2 inch to 5 feet. If the length of the school bus is 4 1/2 inches on the scale drawing
TEA [102]

Let x feet be the actual length of the school bus. You know that in a scale drawing

\dfrac{1}{2} \text{ inch } - 5 \text{ feet},

then

4\dfrac{1}{2} \text{ inch } - x \text{ feet}.

Write a proportion:

\dfrac{\frac{1}{2}}{4\frac{1}{2}}=\dfrac{5}{x}\Rightarrow x=\dfrac{5\cdot 4\frac{1}{2}}{\frac{1}{2}}=\dfrac{5\cdot \frac{9}{2}}{\frac{1}{2}}=\dfrac{\frac{45}{2}}{\frac{1}{2}}=\dfrac{45}{2}\cdot \dfrac{2}{1}=45\text{ feet.}

Answer: the actual length of the school bus is 45 feet.

8 0
3 years ago
Read 2 more answers
5. A new cable company charges its customers by the number of channels they order.
Nadusha1986 [10]
I would say letter C, sorry if I’m wrong but that is what I would say
4 0
3 years ago
A bank manager wants to encourage new customers to open accounts with principals of at least ​$3,500. He decides to make a poste
bonufazy [111]

Answer:

simple interest = $10, rate = 4.8%, time = 1 month

amount = $3500, rate = 4.8% and time = 1

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The midpoint of . is the point M, where AM = 5x + 4 and MB = 3+16 . Find the length of . AB
kirill115 [55]

Answer:

<h2>AB = 38</h2><h2 />

Step-by-step explanation:

|<----------------- AB ------------------->|

A--------------------M--------------------B

     5x + 4                      3+16

since M is at midpoint, AM = MB

5x + 4 = 3 + 16

5x = 3 + 16 - 4

x = 15 / 5

x = 3

AB = AM + MB

AB = 5(3) + 4 + 3 + 16

AB = 15 + 23

AB = 38

5 0
3 years ago
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