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QveST [7]
3 years ago
7

Assume that y varies directly with x, then solve

Mathematics
2 answers:
VikaD [51]3 years ago
5 0
Well how many 12's are in 24 (forget the negative sing for a moment). Two right? Well that means multiply 4 by 2 and get 8, but where does that negative sign go? Just add it! It makes it so much easier taking it away and then putting it back. That is a trick for this problem. y=-8 while x=-24 Hoped I helped!
vagabundo [1.1K]3 years ago
4 0
If x=12(-2)=-24 then y=4(-2)=-8

multiplicative property of equallity
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In the standard (x,y) coordinate plane, what is the slope of the line 4x+7y=9?​
o-na [289]

Answer: -4/7

Step-by-step explanation:

To find the slope, let's change the equation to slope-intercept form.

4x+7y=9              [subtract both sides by 4x]

7y=-4x+9           [divide both sides by 7]

y=-\frac{4}{7}x+\frac{9}{7}

Now, we know the slope is -4/7.

5 0
3 years ago
Does the point (–3, 4) satisfy the equation y = –2x + 5? Yes Or No
Mekhanik [1.2K]

Answer:

No

Step-by-step explanation:

y = -2x + 5

4 = -2(-3) + 5 - Substitute both x and y

4 = 6 + 5 - Simplify

4 ≠ 11

Hence, no, (-3, 4) doesn't statify the equation y = -2x + 5

6 0
2 years ago
What's 675890 in word form
Artist 52 [7]
<span>675890 is spelled six hundred and seventy-five thousand, eight hundred and ninety </span>
8 0
3 years ago
Read 2 more answers
Z varies directly with X squared and inversely with Y. When X equals two and Y equals four, Z equals three. What is the value of
gayaneshka [121]

Answer:

B

Step-by-step explanation:

Set up the equation

z = \frac{kx^2}{y}

Plug in the numbers to find the value of k

3 = \frac{k(2^2)}{4}

12 = 4k

3 = k

Solve to find the value of z

z = \frac{3(4^2)}{9}

z = \frac{3(16)}{9}

z = 48/9

z = 16/3

8 0
3 years ago
Can y’all explain what I have to do and z help me
zysi [14]

Answer:

Step-by-step explanation:

The answer is D. Both are negative because they're both elevations below 0. However, -7 is higher, or closer to the regular level, because -10 is simply farther down.

5 0
3 years ago
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