3 years ago

A salesperson at a jewelry store earns 3% commission each week. Last week, Heidi sold $750

Mathematics

1 answer:

vampirchik [111]3 years ago

4 0

She made $22.5 of commission

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I need help on this.

liraira [26]

If the triangles are similar, the proportion of the legs on the left to the legs on the right will be equal. This proportion would look like:

$\frac{2x+1}{3x}=\frac{10}{14}$

(You needed to combine the orange segment and the yellow segment to find the total length of the large triangle).

Now, cross multiply and solve for x:

28x+14=30x

*Subtract 28x from both sides to isolate the variable*

14=2x

*Divide both sides by 2*

7=x

Hope this helps!!

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What is 130% of 56g?

jeka57 [31]

The answer would be 72.8 grams

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2 years ago

Natalie found a tennis ball outside a tennis court. She picked up the ball and threw it over the 12-foot fence into the court. T

dolphi86 [110]

Answer:

Natalie cannot make it over the fence.

Step-by-step explanation:

After reading the statement, we must demostrate if the following inequation is possible, that is:

$-16\cdot t^{2}+18\cdot t+5 \ge 12$

After some algebraic handling we find this equivalent expression:

$16\cdot t^{2}-18\cdot t +7\le 0$ (1)

The polynomial is factorized by the Quadratic Formula:

$\left(t-0.563-i\,0.348)\cdot (t-0.563+i\,0.348)\le 0$

Since all roots are complex, we conclude that Natalie cannot make it over the fence.

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2 years ago

Which number is greatest? A.6.23*10^12 B.6.23*10^8 C.6.23*10^-6 D.6.23*10^3

Roman55 [17]

I believe A is the answer

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Nina purchased a meal for $24. She left a 20% tip. How much was the tip?

k0ka [10]

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She left a $4.80 tip.

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