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Leya [2.2K]
3 years ago
9

You are baking cookies. You have 7 1/4 cups of flour. You use 2 3/4 cups of flour. How much flour do you have left?

Mathematics
2 answers:
Vinil7 [7]3 years ago
5 0


I used an online math calculator to find this answer
7 1/4 - 2 3/4 = 92 = 412 = 4.5

Lynna [10]3 years ago
3 0
I like changing things into decimals, so 7.25-2.75. For the moment, pretend the decimal isn’t there and the equation is 725-275. That equals 450. Now we put the decimal back, so since it is subtraction you keep the decimal in the same place (two spots away from the end). So the answer is 4.5.
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What is the answer to this?​
kherson [118]

s = standard version amount

h = high quality version amount

we know that there were 1090 downloads of the song, meaning s + h = 1090.

we also know that the total amount of MBs downloaded was 3353 MBs, and since the standard is 2.1 MBs and the high quality is 4.9MBs, then 2.1s + 4.9h = 3353.

\begin{cases} s+h=1090\\ 2.1s + 4.9h = 3353\\[-0.5em] \hrulefill\\ h = 1090 - s \end{cases}\qquad \stackrel{\textit{substituting on the 2nd equation}}{2.1s+4.9(1090-s) = 3353} \\\\\\ 2.1s + 5341 - 4.9s = 3353\implies -2.8s + 5341 = 3353 \\\\\\ -2.8s=-1988\implies s = \cfrac{-1988}{-2.8}\implies \boxed{s = 710}

7 0
3 years ago
A survey of high schools offering honors classes to ninth graders reveals that 38% of the high schools offer no honors classes,
Greeley [361]

Using the discrete distribution, it is found that the probability that it offers an even number of honors classes is of 0.68.

<h3>What is the discrete probability distribution?</h3>

The distribution for the number of honors classes the school offers is given by:

  • P(X = 0) = 0.38
  • P(X = 1) = 0.12.
  • P(X = 2) = 0.25.
  • P(X = 3) = 0.2.
  • P(X = 4) = 0.05.

Hence the probability of an even number is given by:

P(even) = P(X = 0) + P(X = 2) + P(X = 4) = 0.38 + 0.25 + 0.05 = 0.68.

More can be learned about discrete probability distributions at brainly.com/question/24802582

#SPJ1

3 0
2 years ago
Factor as the product of two binomials x^2-16​
astra-53 [7]

Answer:

(x+4)(x-4)

Step-by-step explanation:

Here is a simple help for when you can take a square root of both terms:

(x+(squareroot)) x (x-(squareroot))

x times x = x^2

4 x -4 = -16

This is just a learned skill, most often from Alg 2, Alg 2 w/ trig, and Precal!

Hope this helps!

5 0
2 years ago
Read 2 more answers
X^2+x=12 solve by quadratic formula
krok68 [10]

Answer:

x= 3, -4

Step-by-step explanation:

6 0
3 years ago
George is an artist. He wants to paint a background with congruent squares. If his canvas is 36 cm by 48 cm, what is the side le
8_murik_8 [283]

Answer:

it could be 1000 the answer

6 0
2 years ago
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