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Sauron [17]
3 years ago
7

Please help me with this problem

Mathematics
1 answer:
mote1985 [20]3 years ago
7 0
To evaluate this expression, we simply plug the value of the variable into the expression and solve.

Since m = -4, plug a -4 in for m every time the m appears in the expression.

So we have (-4)^2 + 6(-4) + 3.

Start by simplifying the exponent.

(-4)^2 is 16.

Now multiply.

A positive times a negative is a negative.

So 6(-4) is -24.

So we have 16 + 24 + 3 which is 43.
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Emily went to Kroger to buy some fruit. She needs a dozen apples and some bananas. A dozen organic apples costs $11.45 and each
vazorg [7]

Answer:

1.05(b) = 0.97(b)

Step-by-step explanation:

What you know from the problem:

Krogers:

11.45(12)+1.05(b)

Trader Joe's:

13.45(12)+0.97(b)

Kroger = Trader Joe's

1.05(b) = 0.97(b)

6 0
3 years ago
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gtnhenbr [62]
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4 years ago
44%adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability th
vlada-n [284]

Answer:

.101501615

.84982392

.901244701

Step-by-step explanation:

For this question use a binomial distribtuion

a.

12C3*.44³*(1-.44)⁹= .101501615

b.

to find at least 4 find the probability of less than 4 and take its compliment

12C0*(1-.44)¹²+12C1*.44*(1-.44)¹¹+12C2*.44²*(1-.44)¹⁰+12C3*.44³*(1-.44)⁹= .15017608

1-.15017608=.84982392

c.

To find less than eight's probability find the proability of at least 8 and take its compliment

12C8*.44⁸(1-.44)⁴+12C9*.44⁹(1-.44)³+12C10*.44¹⁰(1-.44)²+12C11*.44¹¹*(1-.44)+12C12*.44¹²= .098755299

1-.098755299= .901244701

3 0
3 years ago
→Can someone help me←
Airida [17]

Answer:

B.

Step-by-step explanation:

When written as proportions, the ratios of oranges to cups of juice are always equal.

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Are angles 1 and angle 4 vertical? Are angles 3 and angle 5 vertical?
tamaranim1 [39]

Answer:

All of them are not vertical angles.

Step-by-step explanation:

Because they are not directly vertical from each other.

3 0
3 years ago
Read 2 more answers
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