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Oksanka [162]
2 years ago
6

On a spelling quiz, Lily got 16 out of 20 questions correct. Select all the expressions that show the ratio of Lily’s correct an

swers to incorrect answers.
A. 45

B. 164

C. 4:1

D. 5:4

E. 16:20
Mathematics
1 answer:
levacccp [35]2 years ago
8 0

Answer:

E.

Step-by-step explanation: Unless you accidentally swapped the 5 and 4 around for D, then the answer is just E.

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Ellie practices piano 2/3 h per day, several days each week. She practiced piano 32/23 hours during the summer.
butalik [34]

Let us assume that the number of days she practiced the piano to be "d"

Since she practiced 2/3 hours a day, the total number of hours would be: 2/3*d

Now we are given the total number of hours during summer that she practiced  be be equal to 32/23

So we equate 2/3 * d to 32/23 to find d

2/3*d = 32/23

d = (32/23)/ (2/3)

d = (32/23) * (3/2)

d = 48/23 hours

The equation that can be used to find the number of days that she practiced piano during the summer is 2/3*d = 32/23

3 0
3 years ago
Two factors whose product is 84 are 12 and _[blank]_.
djyliett [7]

Answer: 7

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. You know that a multiplication has the following form:

a*b=c

Where a and b are the factors and c is the product.

2. You know one of the factor, then you can find the second one as following:

12*b=84

b=84/12

b=7

Therefore the answer is 7.

7 0
3 years ago
I will rate you brainliest/ / / Tonicha is creating two triangular gardens in her backyard. The total area of each triangle vari
victus00 [196]

Answer:

The area of larger triangle is 48 ft².

Step-by-step explanation:

Assuming that the area of triangle formula is A = 1/2 × base × height. Then, you have to substitute the following values :

area =  \frac{1}{2}  \times b \times h

let \: b = 12,h = 8

area =  \frac{1}{2}  \times 12 \times 8

area =  \frac{1}{2}  \times 96

area = 48  \: {feet}^{2}

5 0
3 years ago
Read 2 more answers
Jon has to pay $7.50 admission for the skating rink and $1.50 per hour to rent rollerblades. Write an equation for the cost (y)
Nata [24]

Answer:

y = 7.50 + 1.50x

Step-by-step explanation:

The admission costs $7.50 and after x hours Jon has to pay $1.50*x. Then the cost y in dollars is

y = 7.50 + 1.50x where x is the number of hours.

4 0
3 years ago
Susie is paid an annual salary of $71,500. Find Susie’s biweekly salary
romanna [79]
Susie gets paid $2,750 every two weeks.
4 0
3 years ago
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