MATHEMATICS MIDDLE SCHOOL

Can someone help me please

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Answer 1

Answer:

Answer:

Step-by-step explanation:

Answer 2

Answer:

Answer:

Step-by-step explanation:

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How do u add 10 to 2 digits numbers

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It depends. Multiples of 10 are:
10, 20, 30, 40, 50...........
And a 2 digit number can be anything between 10 and 99.

To comment: Rodney would have 39 pieces of fruit.

When adding 10 to any two digit number, increase the left digit by 1. For example 20+10= 30. 55+10=65. If a problem says 10+ (a number), you can reverse the order the numbers are in because of the commutative property of addition. Example: 10+50 eqauls 50+10. Both equations equal 60. Also, Rodney would have 39 pieces of fruit since 20+19 is 39.

A recipe for guacamole uses 12% lime juice, if a batch contains 0.75 cup of lime juice, how large is the batch of guacamole?

Answers

Answer:

The batch of guacamole is: 6.25.

Step-by-step explanation:

It is given that:

A recipe for guacamole uses 12% lime juice.

This means that:

A recipe for guacamole uses 0.12 lime juice.

This means that:

1 cup of lime juice= 1/0.12 guacamole.

Also,

a batch contains 0.75 cup of lime juice.

This means that:

0.75 cups of lime juice=0.75/0.12 guacamole.

i.e.

0.75 cups of lime juice=6.25 guacamole.

Hence, one batch = 6.25 guacamole.

0.75/0.12=6.25

the batch is 6.25 cups

To take a taxi, it costs \$3.00 plus an additional \$2.00per mile traveled. You spent exactly \$20 on a taxi, which includes the \$1 tip you left. How many miles did you travel

Answers

A taxi ride where the total fare is $3, $2 for every mile travelled plus a $1 tip and the original cost of $20.

First write a formula that expresses the cost of the ride:

Total cost= Flat fee + Mileage + Tip

Now let's drop in what we know:

20= 3+2 (miles) +1 - we know the total cost is 20, the fee of 3, the tip of 1 and the cost per mile of 2. The only thing we don't know is the number of miles. So let's solve for that.

Subtract 3 and 1 from both sides to get:

16=2(miles)

Divide both sides by 2:

8=miles
Therefore, you traveled 8 miles.

Keisha needs to save $331 to earn money she plans to babysit in charge $11 per hour right to estimates Keisha could use to determine how many hours she needs to babysit

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we can calculate the number of hours she needs to babysit by the rule of three.

1 hour--------------------$11
x---------------------------$331

x=(1 hour x x$331) / $11=30.0909.... hours≈31 hours

She needs to work 31 hours.

31 hours to get $341

Write five numbers that round up to 600

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599.5
599.6
599.7
599.8
599.9

Audrey drove 200 miles in 3.5 hours. Which equation can be used to find the rate "r" at which Audrey was traveling? (A) 200=3.5r
(B) 200x3.5=r
(C) r/3.5=200
(D) 200r=3.5

Answers

A is the correct answer, because she drove r miles per hour, multiplied by 3.5 hours = the 200 miles she drove.

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