5. Jovi solved the following system of equations by
substitution. His partner Giselle checked his work
and said she found an error. What step did Giselle
find the error?

Answer:

42 = C (y ≤ 2)

43 = G (-x + 4x - 2)

44 = B (Its axis of symmetry is x = 14)

45 = H (x = 2)

Answer:

20

Step-by-step explanation:

20 pints because your convert 10 quarts into pints

Answer:

i think 100 pints

Answer:

a = 5

Step-by-step explanation:

|a|-|5|=5-a

a = 5

Yes, 5:10 and 2:4 are equivalent.

5:10 (simplified) = 1:2

2:4 (simplified) = 1:2

Hope this helps; have a great day!

Answer:

Yes

Step-by-step explanation:

5:10 is equivalent to 2:4

Both can be simplified to 1:2

Answer: 1/4

Step-by-step explanation:

Fraction of the box of candy bars sold at school = 1/4

Fraction of the box of candy bars sold to neighbor = 1/2

Therefore, the fraction that she has sold already will be:

= 1/4 + 1/2

= 1/4 + 2/4

= 3/4

The fraction of the candy bars that Kate still have to sell will be:

= 1 - 3/4

= 1/4

Kate has 1/4 candy bars left to sell

Answer:

Step-by-step explanation:

Plug in the giving information, P = 4000, r = 0.06, n = 4,

and t = 5.

Use the order or operations to simplify the problem. If the

problem has decimals, keep as many decimals as possible

until the final step.

FV = 5387.42  Round your final answer to two decimals places.

Answer:

1

Step-by-step explanation:

We plug in 4 for m and 1/2 for n.

[tex]\frac{4}{8(\frac{1}{2}) }[/tex] = [tex]\frac{4}{4}[/tex] = 1

Hope this helped!

Answer:

A=4

B=3

C=2

D=1

Step-by-step explanation:

Answer:

The answer is a.

Step-by-step explanation:

................................

Answer:

by transposing method

m=48/8

m=6

Answer:

M=six

Step-by-step explanation:

because 48 divided by 8 is six so the answer is six

Answer:

$131.20

Step-by-step explanation:

$160 is the full price, so it is 100% of the full price.

With a discount of 18%, you pay 100% - 18% = 82% of the full price.

82% of $160 =

= 0.82 * $160

= $131.20

Answer: $131.20

Answer:

a = [tex]\frac{12}{\sqrt{3} }[/tex]

Step-by-step explanation:

Using the tangent ratio in the right triangle and the exact value

tan30° = [tex]\frac{1}{\sqrt{3} }[/tex] , then

tan30° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{a}{12}[/tex] = [tex]\frac{1}{\sqrt{3} }[/tex] ( cross- multiply )

a × [tex]\sqrt{3}[/tex] = 12 ( divide both sides by [tex]\sqrt{3}[/tex] )

a = [tex]\frac{12}{\sqrt{3} }[/tex]

So these are vertical angles (share a vertex) which means they are the same measure. Set them equal to each other to find x

[tex](5x) = 100[/tex]

[tex]\frac{5x}{5} = \frac{100}{5}[/tex]

[tex]x = \frac{100}{5}[/tex]

Answer:

[tex]x = 20[/tex]

Answer:

71/2 inches

Step-by-step explanation:

Answer is 71/2 inches because 40×7 equal 21

Complete Question:

You're planning to buy a new computer, monitor, and printer for your office. You've received the following prices from two stores:

Store 1                                                        Store 2

Computer: 2,500                                     Computer: 2,350

Monitor: 595                                            Monitor: 435

Printer: 398                                              Printer: 349

Find the total package price from each store and then calculate how much you'll save if you purchase the less expensive package.

Answer:

[tex]Total = 3493[/tex] --- Store 1

[tex]Total = 3134[/tex] --- Store 2

[tex]Saved = 359[/tex]

Step-by-step explanation:

From store 1, the total cost is:

[tex]Total = 2500 + 595 + 398[/tex]

[tex]Total = 3493[/tex]

For store 2, the total cost is

[tex]Total = 2350 + 435 + 349[/tex]

[tex]Total = 3134[/tex]

By comparison: It is cheaper to buy from store 2

Because [tex]3134 < 3493[/tex]

Amount saved is calculated by subtracting the cheaper cost from the expensive cost:

i.e.

[tex]Saved = 3493 - 3134[/tex]

[tex]Saved = 359[/tex]

9514 1404 393

Answer:

  first jet is steeper; not unreasonable

Step-by-step explanation:

The slopes in feet per mile for the two jets are ...

  (26,400 ft)/(96 mi) = 275 ft/mi

  (31,680 ft)/(120 mi) = 264 ft/mi

The descent of the first jet is steeper.

__

The path a jet will follow depends on a number of factors, including weather and other air traffic. It is not unreasonable for a jet to follow a linear glide path to an airport from these altitudes and distances. JFK is sufficiently busy that air traffic control may dictate other-than-linear descent paths.

Final approach is typically done on a 3° glide slope, about 277 ft descent per mile.

_____

Additional comment

Studies have been done to test the feasibility of linear descent paths into some of the busiest airports in the world. The conclusion is that fuel burn could be improved and air traffic management made simpler by such flight paths. However, current jet autopilots are not equipped for direct input of such flight routes. Pilot workload would be slightly increased until software could be updated. There appears to be no current plan to change the way terminal area control is done.

Answer:

common factor: 5x

5x (7x - 2)

Step-by-step explanation:

first, simplify the polynomial:

5x² + 30x² - 10x = 35x² - 10x

common factor: 5x

5x (7x - 2)

Answer:

4th dot

Step-by-step explanation:

because

Answer: 49π inches²

Step-by-step explanation:

The formula for the circumference of a circle = 2πr

Since the circumference is 14π, we have to find the radius in order to solve the area.

2πr = 14π

r = 14π/2π

r = 7

Since area = πr²

= π × 7 × 7

= 49π inches²

Answer:

c. 7/27

Step-by-step explanation:

add 5 +10 + 7 + 2 + 2 + 1 = 27

3 + 4 = 7

7/27

Answer:

should be 240 in commission, 840 in total.

Answer:

p - 4 = ?

Step-by-step explanation:

Difference also mean subtraction, so that means you are required to subtract the variable p and 4.

Answer:

(2•5y to the 7th power)

Step-by-step explanation:

Step 1:  (2y to the 4th power • 5) • y to the 3rd power

Step 2:  (2•5y to the 4th power) • y to the 3rd power

Step 3:  3.1    y to the 4th power multiplied by y to the 3rd power = y to the  (4 + 3) power = y to the 7th power

Final answer:  (2•5y to the 7th power)

The expression [tex]2y^{4} * 5y^{3}[/tex]  is equal to 10[tex]y^{7}[/tex].

When two expressions with exponents are multiplied, it is called multiplying exponents. The multiplication of exponents involves certain rules depending upon the base and the power.

When the terms with the same base are multiplied, the powers are added, i.e., [tex]a^{m}[/tex] × [tex]a^{n}[/tex] = [tex]a^{{m+n}}[/tex]

According to the question

[tex]2y^{4} * 5y^{3}[/tex]

Now,

Using the multiplying exponent rule :

the terms with the same base are multiplied, the powers are added, i.e., [tex]a^{m}[/tex] × [tex]a^{n}[/tex] = [tex]a^{{m+n}}[/tex]

Therefore,

As, base y is common in both the terms

= 10[tex]y^{4+3}[/tex]

= 10[tex]y^{7}[/tex]

Hence, the expression [tex]2y^{4} * 5y^{3}[/tex]  is equal to 10[tex]y^{7}[/tex].

To know more about multiplying exponent here:

https://brainly.com/question/219134

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