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ValentinkaMS [17]
3 years ago
7

The product of -3 and -7 is positive. True or False

Mathematics
2 answers:
bagirrra123 [75]3 years ago
8 0

Answer:

false

Step-by-step explanation:

cuz how could negative be positive

Sauron [17]3 years ago
4 0

Answer:

true

Step-by-step explanation:

when multiplying negative numbers always remember that two negatives will equal a positive

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X² + 3x -4=0<br> solve by factoring
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Answer:

X=1 and -4

hope this helps you!

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Step-by-step explanation:

tell me if you want/need the explanation why and I'll gladly give it to you.

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abbie and John went to buy fruit. John bought 3/4 of a pound of grapes. abbie bought 4 1/4 pounds of oranges. how many did they
lidiya [134]
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6 0
3 years ago
The ratio of the radii of two circles is 2:3. The diameter of the smaller circle is 15 mm. What is the length of the diameter of
mixer [17]
The answer is 11.25 mm.

A diameter of a circle is twice of its radius: d = 2r    ⇒ r = d/2

small circle                                       large circle
radius: r1                                           radius: r2 = ?
diameter: d1 = 15 mm
⇒ r1 = d1/2 = 15/2 mm

Since t<span>he ratio of the radii of two circles is 2:3, we have:
r1 : r2 = 2 : 3
which can also be expressed as:
</span>\frac{r1}{r2}= \frac{2}{3}
<span>
We know that r1 is 7.5, so let's implement it:
</span>\frac{7.5}{r2} = \frac{2}{3}

Let's multiply both sides of the by 3r2:
3r2* \frac{7.5}{r2} =3r2* \frac{2}{3}
⇒ 3 * 7.5 = 2*r2
     22.5 = 2*r2
⇒ r2= \frac{22.5}{2} =11.25 mm

5 0
3 years ago
Read 2 more answers
23433324423342any gi rl s got go oo gl e d o c 2333443
faust18 [17]
No thanks. Thanks for the point
5 0
3 years ago
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First-person to get this right with an explanation gets Brainliest
Natasha2012 [34]

Answer:

17b

Step-by-step explanation:

Total volume of water = amount of water in each bottle x total number of bottles. The equation that relates the number of bottle of water (b) to the total volume of the water (w) in fluid ounces is w = 17b

3 0
3 years ago
Read 2 more answers
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