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3 years ago

Respond ASAP! This is for a test.

Mathematics

1 answer:

natali 33 [55]3 years ago

8 0

Answer:

The price of the rain jacket after a 20% discount: 0.2r

The price of the rain jacket after a 40% discount: 0.4r

Step-by-step explanation:

20%=0.2

40%=0.4

A rain jacket usually r dollars. r= Unknown

So, 0.2r and 0.4r are our answers. Just convert the percents into decimals.

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The equation y minus two-thirds = negative 2 (x minus one-fourth) is written in point-slope form. What is the equation in slope-

Lena [83]

Answer:

(B) $y=-2x+ \dfrac{7}{6}$

Step-by-step explanation:

Given the point-slope form of the equation of a line below:

$y-\dfrac{2}{3}=-2\left(x- \dfrac{1}{4}\right)$

We are required to write it in the slope-intercept form, y=mx+c.

$y-\dfrac{2}{3}=-2\left(x- \dfrac{1}{4}\right)\\\\y-\dfrac{2}{3}=-2x+ \dfrac{2}{4}\\\\y=-2x+ \dfrac{2}{4}+\dfrac{2}{3}\\\\y=-2x+ \dfrac{7}{6}$

The slope intercept form is:

$y=-2x+ \dfrac{7}{6}$

<u>The correct option is B.</u>

5 0

3 years ago

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Which points can be used in the diagram as the third vertex to create a right triangle with hypotenuse XY? Select all that apply

Serga [27]

Answer:

(-2,-2) and (3,4)

Step-by-step explanation:

Edge 2020

7 0

3 years ago

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What is m<efh =(5×+1)°,m<hfg =62° and m <efg = (18×+11)°, find each measure.

Naddik [55]

Answer:

$m\angle efg=21\°\\\\m\angle hfg=62\°\\\\m\angle efg=83\°$

Step-by-step explanation:

Given:

$m\angle efh=5x+1\\m\angle hfg=62\\m\angle efg=18x+11$

Now, from the figure shown below,

The sum of angle efh and angle hfg is equal to the angle efg. This is true because of the angle addition postulate which states that when two angles are formed with the same vertex and different sides, then their sum is equal to the total angle made by both the sides at the vertex.

Here, point 'f' is the vertex and the sides are 'ef and 'fg'.

Therefore,

$m\angle efh+m\angle hfg=m\angle efg$

Plug in their values and solve for 'x'. This gives,

$5x+1+62=18x+11\\5x+63=18x+11\\18x-5x=63-11\\13x=52\\x=\frac{52}{13}=4$

Therefore, the angle measure of each are:

$m\angle efg=5x+1=5(4)+1=20+1=21\°\\\\m\angle hfg=62\°\\\\m\angle efg=18x+11=18(4)+11=72+11=83\°$

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4 years ago

Joseph’s garden is 9 feet wide and 12 feet long. Alana’s garden is 7 feet wide and 25 feet long.

Bogdan [553]

Area = length × width

Joseph: 12 × 9 = 108 feet
Alana: 25 × 7 = 175 feet

175 feet - 108 feet = 67 feet

Answer: Alana's garden is greater by 67 feet compared to Joseph's

6 0

3 years ago

Help plz worth 20 points

svetoff [14.1K]

Answer:

y=1/4x-4

Step-by-step explanation:

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3 years ago

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