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2 years ago

Help, Please I don’t understand

Mathematics

1 answer:

Shalnov [3]2 years ago

7 0

Answer:

A. 1.25

Step-by-step explanation:

the slope is m in the equation y = mx + b

In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis).

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Triangles △GJI and △PKH are similar, and m∠G+m∠P=50°, and m∠I=48°. What are the measures of all the angles of these triangles ?

velikii [3]

If ΔGJI and ΔPKH are similar, then ∡G≅∡P, ∡J≅∡K and ∡I≅∡H.

We have m∡G + m∡P = 50°, therefore m∡G = m∡P = 50° : 2 = 25°.

m∡I = 48° therefore m∡H = 48°.

We know, the sum of the measures of the angles of a triangle is equal 180°.

Therefore we have the equation:

m∡G + m∡J + m∡I = 180°

25° + m∡J + 48° =180°

73° + m∡J = 180° subtract 73° from both sides

m∡J = 107° → m∡K = 107°.

<h3>Answer: ΔGJI and ΔPKH: 25°, 107°, 48°</h3>

8 0

3 years ago

Read 2 more answers

The sale price of a spring break vacation package was $209.99 the travel agent said by booking early you saved $20.00. Find the

prisoha [69]

Answer:

$\%\ decrease = 9.52\%$

Step-by-step explanation:

Given

$Sales\ Price = \$209.99$

$Saved = \$20.00$

Required

Determine the %decrease

First, we need to determine the amount paid

$Amount = Sales\ Price - Amount\ Saved$

$Amount = \$209.99 - \$20.00$

$Amount = \$189.99$

The percentage decrease is the calculated as follows:

$\%\ decrease = -100\% * \frac{Final - Initial}{Initial}$

In this case;

$Initial = Sales\ Price = \$209.99$

$Final = Amount\ Paid = \$189.99$

So; we have:

$\%\ decrease = -100\% * \frac{189.99 - 209.99}{209.99}$

$\%\ decrease = -100\% * \frac{-20}{209.99}$

$\%\ decrease = 100\% * \frac{20}{209.99}$

$\%\ decrease = \frac{2000\%}{209.99}$

$\%\ decrease = 9.52426306015\%$

$\%\ decrease = 9.52\%$ (Approximated)

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4 years ago

Which expression has the same value as - 18+(-9)? 0-10-5 -8-(-4)

Darina [25.2K]

Answer:

the expression is equal to -27

whichever expression equals -27 is the answer

Step-by-step explanation:

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3 years ago

Two hot air balloons are traveling along the same path away from a town, beginning from different locations at the same time. He

kolbaska11 [484]

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Answer:

D. Henry's started farther, went faster

Step-by-step explanation:

Henry's balloon traveled 18 additional miles (from 30 to 48) in 2 hours, so had a speed of 18mi/(2h) = 9 mi/h. The equation for his position could be ...

y = 9x +30 . . . . . 9 is the rate of change; 30 is the initial value

Comparing this to Tasha's position function, we see her balloon started 20 miles from town and traveled 8 miles per hour.

Henry started farther from town and traveled faster.

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3 years ago

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sergey [27]

Answer:

A = f^2 g(3)^2

B = g^2 f(3)^2

Step-by-step explanation:

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