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3 years ago

Can somebody plz help answer all the questions correctly!!! thx (Grade7math) btw :)

Mathematics

2 answers:

Makovka662 [10]3 years ago

5 0

Answer:

a) 7:4

b) 6:3

c) 4:2

d) 6:2

e) 4:3

f) 4:4

slamgirl [31]3 years ago

4 0

Answer:

a) 7:4

b) 6:3

c) 4:2

d) 6:2

e) 4:3

f) 4:4

Step-by-step explanation:

Determine the number of consonants and vowels, then turn them into ratios.

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About how many pounds of coffee will you need to make 600 medium cups of coffee?

Veronika [31]

Answer:

A. 10

Step-by-step explanation:

I found a website that explains that you need 8.3 grams of coffee to make one 5-fl oz cup of coffee.

To make 600 cups, you need 600 * 8.3 g = 4980 g

Now we convert 4980 g to lb.

1 lb = 454 g

4980 g * (1 lb)/(454 g) = 11 lb

The closest answer is A. 10

Answer: A. 10

6 0

3 years ago

Nicole deposits $2,136 in a savings account paying 5.36% interest. To the nearest dollar, how much money does Nicole have in tot

jeka57 [31]

we know that

The simple interest formula is equal to

$A=P(1+rt)$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

in this problem we have

$t=9\ years\\ P=\$2,136\\ A=?\\r=0.0536$

substitute in the formula above

$A=2,136(1+0.0536*9)$

$A=2,136(1.4824)$

$A=\$3,166.41$

Round to the nearest dollar

$A=\$3,166$

therefore

the answer is the option D

$\$3,166$

5 0

3 years ago

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What is the best way to describe the solution for the following question 2x+3=2x-8 A) There is only one solution (x=5) B) There

Over [174]

Answer:B

Step-by-step explanation:

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2 years ago

Billie solved the equation below by completing the square, but she got the incorrect solution. In which step did Billie first ma

Tanzania [10]

Answer:

step 2

Step-by-step explanation:

we have

$x^{2} +10x-49=0$ ---> given problem

step 1

Move the constant to the right side

$x^{2} +10x=49$

the step 1 is correct

step 2

Complete the square

$x^{2} +10x+5^2=49+5^2$

$x^{2} +10x+5^2=74$

The step 2 is not correct

step 3

Rewrite as perfect squares

$(x+5)^{2}=74$

step 4

take square root both sides

$x+5=\pm\sqrt{74}$

step 5

Find the values of x

$x=-5\pm\sqrt{74}$

$x=-5+\sqrt{74}$

$x=-5-\sqrt{74}$

5 0

3 years ago

Determine the equation of a circle with a center at (–4, 0) that passes through the point (–2, 1) by following the steps below.

Nikitich [7]

Answer:

C. (x + 4)² + y² = 5

Step-by-step explanation:

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3 years ago

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