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My name is Ann [436]

3 years ago

11

In her computer science class, Rebecca is learning how to program computer games. For her final project, Rebecca is creating her

own multilevel game. There is a proportional relationship between the number of levels Rebecca has created for her game, x, and how long (in weeks) it took her to program them, y. Write an equation for the relationship between x and y. Simplify any fractions. y=

2 answers:

Irina18 [472]3 years ago

8 0

Answer:

G=100x*8y

Step-by-step explanation:

X = the levels. I put 100 for this. 8 weeks to put each level. Lets say its kinda like Fortnite where each level reached gets you a new item. * weeks represents the time she took the figure out what item would go to each level.

erica [24]3 years ago

4 0

G=100x*8y is the correct answer

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Directions : Factor each of the following Differences of two squares and write your answer together with solution

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$\huge \boxed{\mathfrak{Question} \downarrow}$

Factor each of the following differences of two squares and write your answer together with solution.

$\large \boxed{\mathbb{ANSWER\: WITH\: EXPLANATION} \downarrow}$

<h3><u>1. x² - 36</u></h3>

$\sf \: x ^ { 2 } - 36$

Rewrite $\sf\:x^{2}-36 as x^{2}-6^{2}$ . The difference of squares can be factored using the rule: $\sf\: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right)$ .

$\boxed{ \boxed{ \bf\left(x-6\right)\left(x+6\right) }}$

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<h3><u>2. 49 - x²</u></h3>

$\sf \: 49 - x ^ { 2 }$

Rewrite 49-x² as 7²-x². The difference of squares can be factored using the rule: $\sf\:a^{2}-b^{2}=\left(a-b\right)\left(a+b\right)$ .

$\sf \: \left(7-x\right)\left(7+x\right)$

Reorder the terms.

$\boxed{ \boxed{ \bf\left(-x+7\right)\left(x+7\right) }}$

__________________

<h3><u>3. 81 - c²</u></h3>

$\sf \: 81 - c ^ { 2 }$

Rewrite 81-c²as 9²-c². The difference of squares can be factored using the rule: $\sf\:a^{2}-b^{2}=\left(a-b\right)\left(a+b\right)$ .

$\sf\left(9-c\right)\left(9+c\right)$

Reorder the terms.

$\boxed{ \boxed{ \bf\left(-c+9\right)\left(c+9\right) }}$

__________________

<h3><u>4</u><u>.</u><u> </u><u>m²</u><u>n</u><u>²</u><u> </u><u>-</u><u> </u><u>1</u></h3>

$\sf \: m ^ { 2 } n ^ { 2 } - 1$

Rewrite m²n² - 1 as $\sf\left(mn\right)^{2}-1^{2}$ . The difference of squares can be factored using the rule: $\sf\:a^{2}-b^{2}=\left(a-b\right)\left(a+b\right)$ .

$\boxed{ \boxed{ \bf\left(mn-1\right)\left(mn+1\right) }}$

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Dovator [93]

Answer:

Step-by-step explanation:

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3 years ago

A student inscribes a triangle within a semicircle. What is the measure of ∠XYZ?

nata0808 [166]

Answer: a. 90°

Step-by-step explanation:

We know that the in a circle, the measure of an inscribed angle is half the measure of the central angle with the same intercepted arc.

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∠XYZ= $\frac{1}{2}\ arc(XZ)$

⇒ ∠XYZ= $\frac{1}{2}\angle{XZ}$

Since XZ is a diameter of the circle which is a line segment, thus ∠XZ=180°

∴ ∠XYZ= $\frac{1}{2}180^{\circ}=90^{\circ}$

∴ ∠XYZ= $90^{\circ}$

Therefore, a. 90° is the measure of ∠XYZ.

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anygoal [31]

-1. hope that helps!

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When five is added to three more than a certain number, the result is 19. What is the number?

pshichka [43]

Answer:

11 easy

Step-by-step explanation:

5 plus the three from the three more makes 8 eight minus 19 is 11

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