3 years ago

What is mila’s average swimming speed?

Mathematics

1 answer:

skad [1K]3 years ago

5 0

Answer:

she swam 1500 meters in 1/4 of the time and he swam 750 in half of his time. Hope this helps

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Which expression is equivalent to 9x – 2x2 + 4x – x?

Artyom0805 [142]

Answer:

-2x^2+12x

Step-by-step explanation:

5 0

2 years ago

There was 2/3 of pan of lasagna in the refrigerator. Bill and his friends ate half of what was left. Write a number sentence and

Veseljchak [2.6K]

Half of 2/3 is:

$\frac { 1 }{ 2 } \times \frac { 2 }{ 3 } =\frac { 1 }{ 3 }$

This means that 1/3 was left. This also means that they ate 1/3 of the lasagne.

Model diagram can be seen in attachment.

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3 years ago

6. Josh had 5 times as much money as Karen. Both spent $20 each. Josh has 6 times as

vazorg [7]

Answer:

Josh had $500

Karen had $100

Step-by-step explanation:

J = 5K

J - 20 = 6(K - 20)

5K - 20 = 6K - 120

100 = K

J = 500

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2 years ago

Subtract. (11x2+3x−9)−(2x2+2x+7)

Alexeev081 [22]

Answer:

-267

Step-by-step explanation:

this is because 11 ×2=22,22+3=25,25×-9= -225 and then the other bracket when I solved I had 42 and so -225-42 = -267

4 0

2 years ago

The normal temperature range for Yuma, AZ on January 11 is at least 48 degrees but no higher than 64 degrees Fahrenheit. Which i

WITCHER [35]

Answer: Our required interval for temperature is $48\leq x\leq 64$

Step-by-step explanation:

Since we have given that

The normal temperature range for Yuma, on Janurary is atleast = 48 degrees

and the highest temperature on that day is no higher than 64 degrees.

Let the temperature in Yuma be 'x'.

So, we know that for atleast means it can 48 degrees or more, and no higher than means it should be equa to or less than 64 degrees.

Mathematically, it is expressed as

$48\leq x\leq 64$

Hence, our required interval for temperature is $48\leq x\leq 64$

7 0

2 years ago