3 years ago

Each of the following statements is true or false. Which statements are true?

Mathematics

2 answers:

shutvik [7]3 years ago

7 0

Answer:

C, D, E

Step-by-step explanation:

vovangra [49]3 years ago

6 0

Answer:

B,D

Step-by-step explanation:

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The percentage of blue M&M's in a bag is 12%. If you have 125 M&M's in a bag, how many blue M&M's would you expect t

Ugo [173]

Answer:

The expected amount of blue M&M's would be 15

Step-by-step explanation:

12% of 125 is 15 therefore you should expect 15.

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3 years ago

A car is moving 70 miles per hour. how far does it travel in 16 seconds

Serjik [45]

Answer:

0.311 miles

Step-by-step explanation:

Convert 16 seconds to hours :

16 /60×60

= 16÷3600

= .004444hrs

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= 70 × 0.00444444

= 0.311 miles

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3 years ago

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Answer each part below using only mental math, and describe your method. a. If 39 is 1% of a number, what is that number? How di

Leni [432]

Answer:

Step-by-step explanation:

Given: 39 = 0.01n

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3 years ago

PLZ HELP I'LL GIVE BRAINY!!!! AND EXPLAIN

lilavasa [31]

you have to plug in the x value to discover the y

y= 4.3 x 1

y = 4.3

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<em>hope it helps :)</em>

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3 years ago

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The altitude of a triangle is 2 m longer than its base. What are the dimensions of the altitude and the base if thearea of the t

HACTEHA [7]

Step-by-step explanation:

Let base of triangle be x m.

Therefore, altitude =( x + 2)m

$area \: of \: \triangle = \frac{1}{2} \times base \times altitude \\ \\ 40 = \frac{1}{2} \times x \times (x + 2) \\ \\ 80 = {x }^{2} +2x \\ \\ {x}^{2} + 2x - 80 = 0 \\ {x}^{2} + 10x - 8x - 80 \\ x(x + 10) - 8(x + 10) = 0\\ (x + 10)(x - 8) = 0 \\ x + 10 = 0 \: \: or \: \: x - 8 = 0 \\ x = - 10 \: \: or \: \: x = 8 \\ base \: can \: not \: be \: - ve \\ x \neq - 10 \\ x = 8 \\ x + 2 = 8 + 2 = 10 \\$

Therefore

Altitude = 10 m

Base = 8 m

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3 years ago