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Svet_ta [14]
3 years ago
15

If x=4 what is y when y=-2x-4​

Mathematics
1 answer:
Romashka [77]3 years ago
8 0
Y= -2(4)-4
Y= -8-4
Therefore y= -12
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A recipe for cookies calls for 1/3 of a cup of sugar per batch. Elena used 5 1/3 cups of sugar to make multiple batch of cookies
shusha [124]

Answer:

she can make 16 batches

Step-by-step explanation: simply multiply 5 by 3 and add 1(for the fraction)

6 0
3 years ago
Please help this is due, not sure if I did this right. Triangle ABC is shown below with vertices A (7,4), B(1,1), and C(9,0). Fi
Paha777 [63]

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5 0
3 years ago
What property would you use first to solve 1/2x-6=10
NISA [10]

I don't know what you mean by property. Do you mean like, commutative, distributive, etc?

but, if this is what you mean:

to solve this:

The operation here is subtraction. Do the inverse. So, add 6 to both sides of the equation

10 + 6 = 16

1/2x - 6 + 6 = 1/2x. (the 6 cancels out)

1/2x = 16

Now, I'm going to assume 1/2 is supposed to be a fraction (not division). So, 1/2 is right next to x which represents multiplication, so do the opposite which is division.

16 divided by 1/2 = 32

1/2x divided by 1/2 = x

x = 32.

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6 0
3 years ago
A boy has 6 red , 5 yellow and 4 green marbles. In how many ways can the boy arrange the marbles in a line if:
Arte-miy333 [17]

A.

\dfrac{15!}{6!5!4!}=\dfrac{7\cdot8\cdot\ldots\cdot14\cdot15}{2\cdot3\cdot4\cdot5\cdot2\cdot4\cdot4}=630630

B.

15!=1307674368000

7 0
3 years ago
A broth used to manufacture a pharmaceutical product has its sugar content, in mg/mL, measured several times on each of three su
snow_tiger [21]

Answer:

Yes

Step-by-step explanation:

To compare the variability of the measured sugar content for each day, we can estimate the standard deviation using the Range rule.

Standard Deviation =\dfrac{\text{Maximum Value-Minimum Value}}{4}

Day 1

5.0, 4.8, 5.1, 5.1, 4.8, 5.1, 4.8, 4.8, 5.0, 5.2, 4.9, 4.9, 5.0

  • Maximum Value=5.2
  • Minimum Value=4.8

Standard Deviation =\dfrac{5.2-4.8}{4}

=0.1

Day 2

5.8, 4.7, 4.7, 4.9, 5.1, 4.9, 5.4, 5.3, 5.3, 4.8, 5.7, 5.1, 5.7

  • Maximum Value=5.8
  • Minimum Value=4.7

Standard Deviation =\dfrac{5.8-4.7}{4}

=0.275

Day 3

6.3, 4.7, 5.1, 5.9, 5.1, 5.9, 4.7, 6.0, 5.3, 4.9, 5.7, 5.3, 5.6

  • Maximum Value=6.3
  • Minimum Value=4.7

Standard Deviation =\dfrac{6.3-4.7}{4}

=0.4

Since the estimated standard deviation of the third day is higher than that of the second day, the variability of the process is greater on the third day than on the second day.

4 0
3 years ago
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