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3 years ago

7

Jeff bought 10 cookies and ate 4 of them. He ate

2 answers:

zmey [24]3 years ago

8 0

he ate 40 percent of the cookies

Natasha_Volkova [10]3 years ago

3 0

Answer:

Jeff ate 40% of the 10 cookies

Step-by-step explanation:

I took the cookies he ate and divided it by the total amount of cookies and then i convertied it into a percent.

4/10=0.4

0.4=40%

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Missing pattern 24,21, blank 15 blank ,blank

never [62]

To figure out this pattern, let's see if there's a constant rule that this sequence follows.
From 24 to 21, you're subtracting 3.
Let's try n-3, and fill in the blanks as we go.
24 - 3 = 21.
21 - 3 = 18.
18 - 3 = 15.
15 - 3 = 12.
12 - 3 = 9.
It seems that n-3 works as a rule, so your rule is:
N-3.
The missing blanks are:
18, 12, and 9.
I hope this helps!

8 0

3 years ago

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Solve for x<br> X^2+6x+9=20

Masja [62]

Answer:

x = 1.47 or x = -7.47

Step-by-step explanation:

x²+6x+9=20

This is a quadratic equation

x²+6x+9-20=0

x²+6x-11=0

Step 1 : Write the quadratic formula

x = <u>-b±√b²-4(a)(c)</u>

2a

Step 2 : Substitute values in the formula

a = 1

b = 6

c = -11

x = <u>-6±√6²-4(1)(-11)</u>

2(1)

x = <u>-6±√80</u>

2

x = -3 + 2√5 or x = -3 - 2√5

x = 1.47 or x = -7.47

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4 0

3 years ago

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a museum employee surveys a random sample of 350 visitors to the museum. Of those visitors, 266 stopped at the gift shop. Based

Naddika [18.5K]

1748 people are expected to stop at the gift shop out of 2300.

Step-by-step explanation:

Given,

Number of random sampled people = 350

Number of people who stopped at shop = 266

Percentage = $\frac{People\ stopped}{Total\ people}*100$

Percentage = $\frac{266}{350}*100=76\%$

Therefore,

76% people would stop at the gift stop.

Number of people = 2300

Expected number = 76% of total

Expected number = $\frac{76}{100}*2300$

Expected number = 1748

1748 people are expected to stop at the gift shop out of 2300.

4 0

3 years ago

Use the scale factor 1:15 to find the missing dimension.

mestny [16]

Answer:

20 cm

Step-by-step explanation:

$3 m*\frac{1}{15} *\frac{100 cm}{1 m}$

1. Multiply the actual depth my the scale factor of 1/15.

2. Multiply the resulting depth after multiply by the scale factor by the conversion factor of meters to centimeters.

6 0

3 years ago

A formula for finding the area of a rectangle is A=l⋅w. If you know the area (A) and length (l) of a rectangle, which formula ca

Karo-lina-s [1.5K]

Answer:

The last one right

Step-by-step explanation:

Divide by L both sides

8 0

3 years ago

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