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2 years ago

Jason jumped 623 feet in a jumping contest. Yolanda jumped 434 feet. How much farther did Jason jump than Yolanda?

Mathematics

2 answers:

VLD [36.1K]2 years ago

7 0

Answer:

jason jumped 189 feet more than Yolanda

Step-by-step explanation:

subtract Jason's jump and Yolanda's jump

Vesnalui [34]2 years ago

7 0

Answer - 189 Ft

623 - 434 = 189

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Find the intersection between the lines 2x + 3y = 5 and 3x + 4y = 6

Archy [21]

An intersection point, is a shared coordinate. If the equations share a coordinate we can say they are "equal". There are two ways (algebraically) to find this point. Substitution or linear combination. Because the coefficients are different, let's use linear combination

First stack the equations on top of each other.

2x + 3y = 5
3x + 4y = 6

Next let's manipulate one or both of the equations to get coefficients that are equal, but opposite. For this I'm going to turn the coefficient of x into 6 and -6 respectively by multiplying the first equation by 3 and the second by -2 to get

6x + 9y = 15
-6x -8y = -12

Now we can combine the equations with addition and the x's will cancel leaving a single variable (which we can solve)

y = 3

Now plug this back into either original equation to find the x coordinate.

2x + 3(3) = 5

2x + 9 = 5

2x = -4

x = -2.

So your intersection point is (-2,3)

4 0

3 years ago

Hey guys someone please help me with this please

Harlamova29_29 [7]

I think the answer is B.
If that's not it, then it must be A.

4 0

2 years ago

Help me please!!! Show work completely. I just need help with 9

Vlada [557]

Answer: x = -5, x = 6

Step-by-step explanation:

"Solutions" are also called roots, zeroes, and x-intercepts and are where the parabola crosses the x-axis.

The parabola crosses the x-axis at x = -5 and at x = 6

(see attachment)

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2 years ago

The percentage change of a ratio of two variables is approximately the percentage change in the numerator _____ the percentage c

olchik [2.2K]

Answer:

"The percentage change of a ratio of two variables is approximately the percentage change in the numerator minus the percentage change in the denominator."

Step-by-step explanation:

The percent change in a number is determined by dividing the difference between the new number and original number by the original number and multiplying the result by 100.

Suppose the original ratio of two numbers is: $\frac{25}{100}$ .

And the new ratio is: $\frac{75}{100}$

The percent change is:

$Change\%=\frac{75-25}{100}\times100=\frac{50}{100}\times100=50\%$

Thus, the complete statement is:

"The percentage change of a ratio of two variables is approximately the percentage change in the numerator minus the percentage change in the denominator."

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3 years ago

Read 2 more answers

jalil and Victoria are each asked to solve the equation ax – c = bx + d for x. Jalil says it is not possible to isolate x becaus

Pie

Answer:

$x = \frac{d+c}{a - b}$