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stich3 [128]
3 years ago
6

PLZZZZZ NEED HELP!!!!!!

Mathematics
1 answer:
zzz [600]3 years ago
3 0
If u need help with checking if ur solution is correct use desmos to graph the equations and find the point of intersection

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What is the area of one of the triangular faces?
Naya [18.7K]

Answer: 6

Step-by-step explanation:

One of the triangular faces is 4*3= 12. Then 1/2 of 12 is 6.

3 0
3 years ago
Shelia is making a cake. She
vesna_86 [32]

She need 1/12 cup of oil. A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters.

<h3>What is meant by fraction?</h3>
  • A fraction is a portion of a whole or, more broadly, any number of equal parts. In everyday English, a fraction describes the number of parts of a specific size, such as one-half, eight-fifths, or three-quarters.
  • fraction, A number expressed as a quotient in arithmetic, in which a numerator is divided by a denominator. Both are integers in a simple fraction.
  • A complex fraction contains a fraction in either the numerator or the denominator. A proper fraction has a numerator that is less than the denominator. A fraction is a portion of a whole number and a method of dividing a number into equal parts.

<h3>How to find how much cup she want?</h3>

  • She needs 1/3 cup of oil
  • She have 1/4 cup of oil

To find how much need to obtain 1/3 of cup

we need to subtract what we have from what we need.

so , we have 1/4 and need 1/3

 = 1/3 - 1/4

 = \frac{1 * 4}{3 * 4} - \frac{1 * 3}{4 * 3}

 = 1/12

she need 1/12 cup of oil more to make cake.

To Learn more about fraction refer :

brainly.com/question/1622425

#SPJ9

6 0
1 year ago
A research firm conducted a survey of 49 randomly selected Americans to determine the mean amount spent on coffee during a week.
Andre45 [30]

Answer:

(21.4, 18.6)

Step-by-step explanation:

Given that:

Mean (μ) = $20 per week

Standard deviation (σ) = $5

number of sample (n) = 49

Confidence level = 95% = 0.95

α = 1 - 0.95 = 0.05

\frac{\alpha }{2}=\frac{0.05}{2} = 0.025\\  z_{\frac{\alpha }{2} }=z_{0.025}= 1.96  from the probability table.

The margin of error (e) = z_{\frac{\alpha}{2} *\frac{\sigma}{\sqrt{n} } = 1.96*\frac{5}{\sqrt{49} } =1.4

Confidence interval = μ ± e = (μ + e, μ - e) = (20 + 1.4, 20 - 1.4) = (21.4, 18.6)

3 0
4 years ago
Please help with the correct answer:
Mrac [35]

Step-by-step explanation:

Quick Tip - Plug the pure number inside the parenthesis into all x of the function given.

f(2) = 2^2 - 3×2 + 2 = 4 - 6 + 2 = 0

f(5) = 5^2 - 3×5 + 2 = 25 - 15 + 2 = 12

g(3) = 3^2 + 2×3 - 5 = 10.

7 0
2 years ago
PLZZZZ HELP!!!!!!!!! In this activity, you'll design a simulation for this scenario: If about 90% of men are 73 inches tall or s
AURORKA [14]

Answer:90 the height of the tallest man is 90

8 0
4 years ago
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