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bogdanovich [222]
3 years ago
11

4 equivalent expressins to 42+18

Mathematics
1 answer:
maria [59]3 years ago
8 0
1. 30 + 30
2. 20 + 40
3. 12 * 5
4. 300/5

(Bonus)
5. 10 + 50 
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-7-7 (2m-7) = 7 (6+m)
levacccp [35]

Answer:

m= 0

Step-by-step explanation:

this is the right answer

-7-14m+49=42+7m

42-14m=42+7m

14m+7m=42-42

21m=0

m=0

4 0
3 years ago
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Mike has $6000 to invest. He invested part of his total into an account earning 6% interest and the rest in an account earning 1
lesya692 [45]

Answer:$4000 was invested into the account earning 6% interest.

$2000 was invested into the account earning 11% interest.

Step-by-step explanation:

Let x represent the amount invested into the account earning 6% interest.

Let y represent the amount invested into the account earning 11% interest.

Mike has $6000 to invest. He invested part of his total into an account earning 6% interest and the rest in an account earning 11% interest. This means that

x + y = 6000

The formula for simple interest is expressed as

I = PRT/100

Where

P represents the principal

R represents interest rate

T represents time in years

I = interest after t years

Considering the account earning 6% interest, the interest would be

I = (x × 6 × 1)/100 = 0.06x

Considering the account earning 11% interest, the interest would be

I = (x × 11 × 1)/100 = 0.11y

If at the end of the year, he earned $460.00 in interest, it means that

0.06x + 0.11y = 460 - - - - - - - - - - -1

Substituting x = 6000 - y into equation 1, it becomes

0.06(6000 - y) + 0.11y = 460

360 - 0.06y + 0.11y = 460

- 0.06y + 0.11y = 460 - 360

0.05y = 100

y = 100/0.05 = $2000

x = 6000 - y = 6000 - 2000

x = $4000

3 0
3 years ago
Pete is using a recipe shown below to make fruit salad.He wants to use 32 diced strawberries in his fruit salad. How many banana
tatuchka [14]
8 strawberries : 32 strawberries
1:4 
This is the Ratio so
5 bananas : 20 bananas
6 apples : 24 apples
2 pears : 8 pears 
He should use 20 bananas , 24 apples and 2 pears.
:)
5 0
3 years ago
Sally had to raise money for a plane ticket for ever 20 minutes it was 24.00 $ the plane ride was 3 hours how much would it be i
seropon [69]

$216

20=$24

20*3 $24*3

60=$72

*3   *3

180=$216

(180=3 hours)

4 0
3 years ago
Read 2 more answers
If PQRS is a square and TR = 17, find each missing value. Round to the nearest tenth.
mestny [16]

<h3>\huge\mathfrak\pink{Answer}</h3><h3>The area of rhombus PQRS is 120 m. </h3>

Step-by-step explanation:

<h3>correct me if I'm wrong.</h3>

\huge\mathfrak\red{Hope it's help}

8 0
2 years ago
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