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Pie
3 years ago
14

What is −2 1/4 ⋅ (−2 13) ? A −5 1/4 B −4 1/12 C 4 1/12 or D 5 1/4

Mathematics
1 answer:
vovikov84 [41]3 years ago
8 0
Your question is not clear. I’m not sure if it’s -213 or -2 1/3...

But if you question was -2 1/4 x (-2 1/3),

then your answer would be
D= 5 1/4

Hope this helped! Let me know if you have any questions.

Mark me Brianliest please:)
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Your friend takes a job cleaning up a neighbors yard and mowing the grass, and asks you and two other friends to help. Your frie
nadezda [96]

Answer:

$100

Step-by-step explanation:

when you read the context you have your friend which is (1), than she asks (You (1) and (Two (2) other friends to help.

Add

Friend + You + Two other friends= 4

Now Divide 100/4= 25

hope this helps

3 0
3 years ago
Priya's family exchanged 250 dollars for 4,250 pesos. Priya bout a sweater fo 510 pesos. How many dollars did the sweater cost?
Elena L [17]
30 dollars.

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510 ÷ 17 =30
4 0
3 years ago
Read 2 more answers
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
kati45 [8]

Answer:

42.39 cubic feet

Step-by-step explanation:

7 0
3 years ago
PLS help!! need answers for both Part A &B
Vladimir79 [104]

Answer:

Step-by-step explanation:

Part A:

3x+12+7x+88=180

10x+100=180

10×=80

X=8

Part B:

m<RPS=3x+12

(3*8)+12

=36

7 0
3 years ago
The population of deer forest is currently 800 individuals. Scientists predict that this population will grow at a rate of 20 pe
jonny [76]

Answer:

<em>C. 3.8 years</em>

Step-by-step explanation:

<u>Exponential Growth </u>

The natural growth of some magnitudes can be modeled by the equation:

P(t)=P_o(1+r)^t

Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.

The actual population of deer in a forest is Po=800 individuals. It's been predicted the population will grow at a rate of 20% per year (r=0.2).

We have enough information to write the exponential model:

P(t)=800(1+0.2)^t

P(t)=800(1.2)^t

It's required to find the number of years required for the population of deers to double, that is, P = 2*Po = 1600. We need to solve for t:

800(1.2)^t=1600

Dividing by 800:

(1.2)^t=1600/800=2

Taking logarithms:

t\log 1.2=\log 2

Dividing by log 1.2:

t=\frac{\log 2}{ \log 1.2}

Calculating:

t = 3.8 years

Answer: C. 3.8 years

6 0
3 years ago
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