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geniusboy [140]
3 years ago
10

Evaluate x+3xy - 2y for x= 4 and y

Mathematics
2 answers:
qwelly [4]3 years ago
3 0
Hopefully it’s correct

scZoUnD [109]3 years ago
3 0
Uhh I feel like this is legit

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how many pounds of candy worth $12 per pound should be mixed with candy costing $19 per pound to produce a 70 pound mixture that
sweet-ann [11.9K]

Answer:

40 pounds

Step-by-step explanation:

Given: Cost of a candy (c_1)= \$ 12 per pound

           Cost of candy (c_2) = \$ 19\ per\ pound

           Total amount of mixture of be produced = 70\ pound

           Selling price of mixture = \$ 15 \ per\ pound

Let´s x be the amount of c_1 to be mixed in the mixture.

∴ Cost of c_1 in the mixture = 12x

Next, Cost of c_2 in the mixture = (70 - x)\times 19

And we know the cost of final mixture = 70 \times 15 = 1050

Now, putting all the value in the equation

⇒ 12x + 19 \times (70 - x) = 1050

⇒ 1330 - 7x = 1050

⇒ -7x = -280

∴ x = 40\ pound

∴ 40 pounds of candy worth $12 per pound to be mixed in the mixture.

6 0
3 years ago
NEED HELP WILL MARK BRAINLIEST
Nitella [24]

Answer:

$73,564,723.80

Step-by-step explanation:

"x is the number of years after the expansion in 2005"

This year is 2021.

2021 - 2005 = 16

x = 16

f(x) = 12(1.12)^{x}

f(16) = 12(1.12)^{16}

f(16) = 73.56

Answer: $73,564,723.80

8 0
3 years ago
Kareem makes muffins using a ratio of 3.5 cups of flour for every 1.75 cups of sugar.
PtichkaEL [24]

Answer:

2 cups of flour

Step-by-step explanation:

because you divide 3.5 by 1.75, which is 2.

5 0
3 years ago
If the measure of an angle is 10 degrees find the measure of its supplement ?
IrinaK [193]

Supplementary angles are 180 in total, so to find the answer you do 180-10, which equals 170. The answer is 170

6 0
3 years ago
A student writes an incorrect step while checking if the sum of the measures of the two remote interior angles of triangle ABC b
sasho [114]

Answer:

Step 1: It should be m∠m + m∠n + m∠o = 180° (sum of angles in a triangle)

Step-by-step explanation:

He made the mistake in Step 1: m∠m + m∠n + m∠p = 180°

It should be m∠m + m∠n + m∠o = 180°

Then only, he can equate it with m∠o + m∠p in step 3.

So,  m∠p is the exterior angle and m∠m and m∠n are the two remote interior angles.

m∠o is the adjacent angle to m∠p. They form a linear pair.

Hence, the correct answer is Step 1.

5 0
4 years ago
Read 2 more answers
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