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2 years ago

5

5% as a decimal and a fraction

1 answer:

Daniel [21]2 years ago

6 0

Answer:

5%=0.05=1/20

Step-by-step explanation:

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Which of the following expressions entered into a graphing calculator will

Tanya [424]

Answer: B (0.17, 2.33)

Step-by-step explanation:

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2 years ago

Solve for x and y 9/x-4/y=8

borishaifa [10]

You can solve <span>9/x-4/y=8 for x or for y but NOT at the same time.

Solving for x: </span><span>9/x-4/y=8 Mult all 3 terms by xy to eliminate the fractions.

9(xy)/x - 4xy/y = 8xy => 9y - 4x = 8xy, or 9y = 4x + 8xy = 4x(1+2y)

then 9y = x [ 4(1+2y) ]
9y
therefore x = ------------
4(1+2y)

Solve for y using a similar approach.

</span>

7 0

2 years ago

6/42 = n/7 N=?<br> I need to find what the numerator is.

PSYCHO15rus [73]

6/42 = n/7
Multiply by 7.
42/42 = n.
n = 1.
numerator = 42.

7 0

2 years ago

Besides -10.75+-10.75 what plus what = -21.5?

Butoxors [25]

Answer:

-32.25 + 10.75 = -21.5

Step-by-step explanation:

-10.75 + -10.75 = -21.5

-32.25 + 10.75 = -21.5

5 0

2 years ago

Read 2 more answers

A baker is using a cookie that calls for 2 1/4 cups of flour to yield 36 cookies, how much flour will the baker neeto to make 90

andre [41]

Answer:

$5 \frac{5}{8}$ cups

Step-by-step explanation:

Given: A baker is using a cookie that calls for 2 $\frac{1}{4}$ cups of flour to yield 36 cookies.

To find the number of flour will the baker need to make 90 cookies, we form a proportion.

Let's convert 2 $\frac{1}{4}$ to improper fraction.

$2\frac{1}{4} = \frac{(2*4) + 1}{4} = \frac{9}{4}$

Let "x" be the amount flour to make 90 cookies

<u>Amount of Flour</u> <u>Number of cookies</u>

$\frac{9}{4}$ 36

x 90

Now form a proportion.

$\frac{\frac{9}{4}}{x} = \frac{36}{90}$

Now let's cross multiply, we get

$\frac{9}{4} *90 = 36x\\\$

$\frac{810}{4} = 36x\\x = \frac{810 }{4*36} \\x = \frac{810}{144} \\\\x = 5 \frac{90}{144}$

Now let's simplify the fraction part, Here the GCF of 90 and 144 is 18, so dividing the fraction's numerator and the denominator by 18, we get

x = $5 \frac{5}{8}$ cups

So the baker needs $5 \frac{5}{8}$ cups to make 90 cookies.

3 0

2 years ago