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miskamm [114]
3 years ago
8

Plz help fast jdkdicong f​

Mathematics
1 answer:
sweet [91]3 years ago
7 0

-2\frac{1}{2}-(-1\frac{3}{4})=-\frac{5}{2}+\frac{7}{4}=-\frac{10}{4}+\frac{7}{4}=-\frac{3}{4}

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tatuchka [14]

Answer:

x + x + x + x - 1 - 1 = x + x + x - 1 - 1 - 1 - 1 - 1

- 4x + ( - 2 ) = 3x + ( - 5 )

Step-by-step explanation:

2nd answer is the correct answer.

6 0
3 years ago
Faruq spends all of his income on tacos and milkshakes. His income is $100, the price of tacos is $10, and the price of milkshak
il63 [147K]

Answer:

The correct answer is 10.

Step-by-step explanation:

Faruq spends all of his income ($100) on tacos and milkshakes.

Price of tacos is $10, and the price of milkshakes is $2.

Let Faruq buy x number of tacos (horizontal axis) and y number of milkshakes (vertical axis).

Total expenditure of Faruq is given by 10 × x + 2 × y.

Since Faruq does not save anything, therefore his expenditure is equal to his income.

Thus his budget line is given by 10 × x + 2 × y = 100.

To calculate the horizontal intercept for Faruq's budget line we consider     y = 0, i.e. we want to calculate how many tacos Faruq would buy when he does not buy any amount of milkshakes.

Thus taking y = 0, we get

10 × x = 100

⇒ x = 10

Thus the horizontal intercept for Faruq's budget line is 10.

8 0
3 years ago
NNNNNOOOOO LLLIIINNNKKKSSSS Which expression represents "3 times the sum 7 & m???
gladu [14]

Answer:

Its D

Step-by-step explanation:

The brackets show tht 3 is multiplied with 7 AND M.

<em><u>Stranger</u></em><em><u> </u></em><em><u>things</u></em><em><u> </u></em><em><u>fan</u></em><em><u> </u></em><em><u>huh</u></em><em><u>?</u></em><em><u> </u></em>

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5 0
3 years ago
Read 2 more answers
Evaluate f(x) = 1.8 • 2x for x = 6
DIA [1.3K]

Answer:

f(x)=1.8 × 2(6)

=1.8 × 12

=216

<h3><u>f</u><u>(</u><u>x</u><u>)</u><u>=</u><u>2</u><u>1</u><u>6</u></h3>
7 0
3 years ago
For a binomial probability distribution, it is unusual for the number of successes to be less than μ − 2.5σ or greater than μ +
kirill [66]

Answer:The correct option is a)

The upper limit of successes that would be deemed to be usual is 5, so more than 5 successes would be unusual.

Step-by-step explanation:

The mean of a binomial distribution

μ= np where n=10 and p= 0.2 q= 1-p, q= 1-0.2=0.8

μ= 10×0.2=2

σ=√npq

σ=√10×0.2×0.8=1.26

Is unusual for the number of success to be greater than μ + 2.5σ.

= 2+2.5(1.26)

=5 approximately.

So it is unusual for it to be greater than 0.5. The right option Is a)

7 0
3 years ago
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