Jason ran 325 meters farther than Kim.Kim ran 4.2 kilometers.How many meters did Jason run?Estimate to check your answer

Answers

Answer 1

Answer: Convert km to m
4.2km = 4.2 x 1000 = 4200m

Jason ran 325m farther than Kim
⇒ 4200 + 325 = 4525m

Answer: Jason ran 4525m

Answer 2

Answer: 4.2 km=4.2*1000=4200 m Kim ran
Jason 4200+325=4525 m Jason ran

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A group of students ate 5/12 of a large pepperoni pizza and 8/10 of a large cheese pizza. Did they eat more pepperoni pizza or cheese pizza?

Answers

the ate more cheese pizza because 8/10 is greater than 5/12

Answer:

they ate more of the cheese pizza

Step-by-step explanation:

5/12<8/10

Please!!! help, urgent math problem!

Answers

Answer:

The slope is 1

Step-by-step explanation:

To find the slope, we use the formula

m = (y2-y1)/(x2-x1)

where (x1,y1) and (x2,y2) are the points on the line

m = (9-2)/(3--4)

= (9-2) /(3+4)

= 7/7

The slope is 1

Answer:

Step-by-step explanation:

Slope = change in y / change in x

Y-values: 9 and 2

x-values: 3 and -4

Change is the difference

9-2)/(3- (-4)) = 7/7 = 1

Which of the following answer choices are correct ?

Answers

Okay, here we go.

So, given the formula, we can just plug in the numbers on the number lines. So for example:

On the first graph, it starts at 4 and goes to 5. Let's plug those in:
-6(4)+42<24
-24+42<24
18<24
18 is less than 24, so this is true so far.

moving on:
-6(5)+42<24
-30+42<24
12<24
true, again. The first graph seems correct. Let's check our answers by using the third graph where the numbers 3,2, and 1 are checked.

-6(3)+42<24
-18+42<24
24<24
24 is equal to 24, not less than, so the third graph is wrong.

Knowing this, we can use the process of elimination. We know 4 and 5 fit the equation and 3, 2, and 1 don't. This means that the graph with 4 and 5 marked is the correct one aka the first graph

Hopefully this is correct and I helped at all :)

I need help, I have tried looking it up but can’t find any help

Answers

Answer: $(sin (4x))/(cos(14 x))$

Step-by-step explanation:

We have the following expression:

$(tan(9x)-tan(5x))/(1+tan(9x)tan(5x))$

In order to work in a better way this expression, let's call $\alpha=9x$ and $\beta=5x$ and rewrite:

$(tan(\alpha)-tan(\beta))/(1+tan(\alpha)tan(\beta))$

Now, we know $tan \theta=(sin \theta)/(cos \theta)$ . Let's apply it here:

$((sin (\alpha))/(cos(\alpha))-(sin(\beta))/(cos(\beta)))/(1+(sin (\alpha))/(cos(\alpha))(sin(\beta))/(cos(\beta)))$

$((sin(\alpha)cos (\beta)-sin(\beta)cos(\alpha))/(cos(\alpha)cos(\beta)))/((cos(\alpha) cos(\beta)+sin(\alpha) sin(\beta))/(cos(\alpha)cos(\beta)))$

Simplifying:

$(sin(\alpha)cos (\beta)-sin(\beta)cos(\alpha))/(cos(\alpha) cos(\beta)+sin(\alpha) sin(\beta))$

According these trigonometric identities, we have:

$sin(\alpha-\beta)=sin(\alpha)cos (\beta)-sin(\beta)cos(\alpha)$

$cos(\alpha+\beta)=cos(\alpha) cos(\beta)+sin(\alpha) sin(\beta))$

Then:

$(sin(\alpha-\beta))/(cos(\alpha+\beta))$

Writing again the actual values:

$(sin(9x-5x))/(cos(9x+5x))$

Finally:

$(sin(4x))/(cos(14x))$

What is the value of x?6([-3]-x)-2x=14

Answers

Multiply 6 (-3-x) to get -18-6x.
So now we have -18-6x-2x=14.
Simplify that to -18-8x=14.
Add 18 on both sides.
Now we have -8x=14+18.
-8x=32
Divide by -8 on both sides.
We get x=-4.

x= -4___________________________

How many grams are in 40 kg

Answers

"Kilo" also means thousand, but it's a thousand times BIGGER than grams. In other words, there are a thousand grams in 1 kilogram! So how many grams are there in 40 kg? Multiply a thousand by 40: 40*1,000=40,000!

Answer: 40,000 grams

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