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I am Lyosha [343]
2 years ago
15

Jesselyn made 6 muffins. She used 3/8 teaspoon of baking powder for each muffin. How much baking powder did Jesselyn use for all

of the muffins?
A.18/48

B.9/8

C.18/8

D.48/3
Mathematics
1 answer:
bezimeni [28]2 years ago
6 0

Answer:

C

Step-by-step explanation:

Multiply the number of muffins by how much baking powder is in each muffin. That's read as 6/1 × 3/8 which equals 18/8.

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Find the solution(s) to x^2- 14x + 49 = 0.
malfutka [58]

Answer:

\boxed{C. \: x = 7 \: only}

Step-by-step explanation:

=  >  {x}^{2}  - 14x + 49 = 0 \\  \\  =  >  {x}^{2} - (7 + 7)x + 49 = 0 \\  \\  =  >  {x}^{2}  - 7x - 7x + 49 = 0 \\  \\  =  > x(x - 7) - 7(x - 7) = 0 \\  \\  =  > (x - 7)(x - 7) = 0 \\  \\  =  >  {(x - 7)}^{2}  = 0 \\  \\  =  > x - 7 = 0 \\  \\  =  > x = 7

3 0
3 years ago
If m/CHF = 106°, then what is m/FHD?
Tom [10]
  • m<CHF and m<FHD are supplementary

So

\\ \rm\Rightarrow 106+\angle{FHD}=180

\\ \rm\Rightarrow m\angle{FHD}=180-106

\\ \rm\Rightarrow m\angle{FHD}=74

7 0
2 years ago
If 3x-4+8=12+2x<br> then x=?
vova2212 [387]

Answer:

8

Step-by-step explanation:

Combine like terms, -4 and 8, 2x and 3x.

After combining the terms, you get x+4=12.

Subtract 4 from both sides and get x=8

5 0
3 years ago
A researcher at a large company has collected data on both the beginning salary and the current salary of 48 randomly selected e
Nadya [2.5K]

Answer:

a. 0.83

b. 44107.3

c. 2252.7

Step-by-step explanation:

a)

The correlation coefficient is calculated as

byx=rSy/Sx

rSy=byx*Sx

⇒r=byx*Sx/Sy

Sy=standard deviation of y=standard deviation of current salary=15300

Sx=standard deviation of x=standard deviation of beginning salary=5970

byx=2.12

r=2.12*5970/15300

r=12656.4/15300

r=0.83

There is a strong positive correlation between current and beginning salary.

b)

Beginning salary=$22000

As

y^ =−2532.7 + 2.12x.

Current salary=-2532.7+2.12*beginning salary

Current salary=-2532.7+2.12*22000

Current salary=-2532.7+46640

Current salary=$44107.3

The predicted current salary of Mr. Joseph Keller is $44107.3.

c)

Residual=y-y^=Observed-Predicted

Observed Current Salary of Kathy Jones=40000

Beginning salary of Kathy Jones=19000

y^ =−2532.7 + 2.12x.

Predicted Current salary=-2532.7+2.12*beginning salary

Predicted Current salary=-2532.7+2.12*19000

Predicted Current salary=-2532.7+40280

Predicted Current salary=$37747.3

Residual=Observed Current Salary-Predicted Current salary

Residual=40000-27747.3

Residual=$2252.7

The residual for Ms. Jones is $2252.7.

8 0
3 years ago
PLEASE HELPP PLEASEE
notka56 [123]

Answer:

Step-by-step explanation:

762=330(1+0.11)^{n}

n=8.02

6 0
3 years ago
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