3 years ago

This is my last question on my quiz i need help

Mathematics

2 answers:

IceJOKER [234]3 years ago

8 0

What’s the question ?

harkovskaia [24]3 years ago

6 0

Answer:

-4 times 7 is -28 therefore she is incorrect because the product of a negative times a positive is negative.

Step-by-step explanation:

Hope this helps :)

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(7 + (-3) - 4 ) ÷ ( (-7) x ( 2 - (-6) ) )<br><br> Please show work!

Temka [501]

Answer:

Undefined

Step-by-step explanation:

(7 - 3 - 4) ÷ (-7 * (2+6))

(0) ÷ (-56)

Undefined because zero cannot be divided

Hope this helps :)

5 0

3 years ago

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Can someone help me :(

nikdorinn [45]

Answer:

A is the correct answer

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What is another name for angle 1? 1.∠JNL 2. ∠N 3. ∠MNK 4.∠NLJ

Arturiano [62]

Answer:

1. <JNL

Step-by-step explanation:

Point N is the vertex of angle 1. Therefore, we can give <1 another name by using 3 letters which includes the letter of vertex point in the middle, and two other letters of the two rays that meets at the vertex point.

Thus, JN and LN meets at point N. Therefore angle 1 can be named as:

<JNL

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3 years ago

If 3 of the Roberts 4 dogs are black, what percent are NOT black

Annette [7]

since 3/4 or 75% ARE black, 1/4 will not be black. 1/4=.25 which is 25%.

3 0

3 years ago

2. A man drove 240 miles south at the rate of 60 miles per hour. On the return trip, he drove the rate of 40 miles per hour. The

shutvik [7]

$av = \frac{v_{2} - v_{1}}{t_{2} - t_{1}}$

$t_{1} = \frac{d}{v_{1}} = \frac{240}{60} = 4 \: hours \\ t_{2} = \frac{d}{v_{2}} = \frac{240}{40} = 6 \: hours$

$av = \frac{v_{2} - v_{1}}{t_{2} - t_{1}} = \frac{40 - 60}{6 - 4} = \frac{ - 20}{2} = - 10$

$av \: speed= 10 \\ av \: velocity = - 10 \: \: north$

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2 years ago

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