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-Dominant- [34]
3 years ago
8

A vendor at a craft show sold items for $4.50, $6.00, and $7.50.

Mathematics
1 answer:
Mamont248 [21]3 years ago
5 0

Answer:

You could either use the second or fourth system as each of these choices have x+y+z=87 in the first equation.

Step-by-step explanation:

Answer(s) is above. Hope it helps!

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Are the ratios 1:2 and 6:3 equivalent?<br>​
LenaWriter [7]

Answer:

No

Step-by-step explanation:

1:2

Multiply by 3 on each side

1*3 : 2*3

3:6

This is not the same as 6:3

3 apple:6 bananas is not the same as 6 apples: 3 bananas

7 0
4 years ago
Read 2 more answers
The position of a large fish relative to the water surface was −17 1/3 feet. It suddenly dove straight down and increased its de
boyakko [2]
So let’s imagine this on a number line…so we know that the fish starts at -17 1/3 on the number line but he dives (that means go lower in our number line) 6 1/2 feet downward so let’s set up an equation:

-17 1/3 - 6 1/2
Now, let’s subtract the two integers by finding the least common denominator of 2 and 3 so it can be easier to solve in this case it’s 6…then let’s set up our new equation:

-17 2/6 - 6 3/6
We know it’s a negative number since we are subtracting a negative number and our final answer is -23 5/6
6 0
2 years ago
Much red yarn does Brittany need?
Georgia [21]

Answer:

5 7/8

Step-by-step explanation:

Because 1 3/8 + 5 1/2 = 6 7/8. 12 3/4 - 6 7/8= 5 7/8

Hope I Helped

7 0
4 years ago
Read 2 more answers
On the graph below are three points X, Y, and Z. Write the coordinates for the given dilation. DO, -½ of Y =
DiKsa [7]

Answer:

(-\frac{3}{2},-1)

Step-by-step explanation:

From the graph in the attachment Y has coordinates:Y(3,2)

The transformation rule for a dilation with a scale factor k about the origin is:

(x,y)\to (kx,ky)

In this case we have k=-\frac{1}{2}

We substitute the coordinates and k=-\frac{1}{2} to get:

Y(3,2)\to Y'(-\frac{1}{2}*3,-\frac{1}{2}*2)

This simplifies to:

Y(3,2)\to Y'(-\frac{3}{2},-1)

The first choice is correct.

4 0
4 years ago
find how long it will take for an investment sum of $40000 to generate simple interest of $8000 at 5% per annum​
guapka [62]

Answer:

It will take 4 years

Step-by-step explanation:

The formula of the simple interest is <em>I = Prt</em>, where

  • <em>P</em> is the investment
  • <em>r</em> is the annual rate in decimal
  • <em>t</em> is the time

∵ The investment is $40000

∴ <em>P</em> = 40000

∵ The simple interest is $8000

∴ <em>I </em>= 8000

∵ The rate of interest is 5%

∴ r = 5%

→ Change it to decimal by divide it by 100

∴ <em>r</em> = 5 ÷ 100 = 0.05

→ Substitute them in the formula above

∵ 8000 = 40000 × 0.05 × t

∴ 8000 = 2000t

→ Divide both sides by 2000

∴ 4 = t

∵ t is the time of investment

∴ It will take 4 years

6 0
3 years ago
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