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postnew [5]
2 years ago
12

A scatterplot consists of (1, 4.0), (2, 3.3), (3, 3.8), (4, 2.6), and (5, 2.7). The line of best fit used to model the data is y

= –0.33x + 4.27. Which residual plot is correct? A graph shows the horizontal axis numbered 1 to 5 and the vertical axis numbered negative 2 to positive 2. Points are scattered on and below the horizontal axis. A graph shows the horizontal axis numbered 1 to 5 and the vertical axis numbered negative 2 to positive 2. Points are scattered on the horizontal axis. A graph shows the horizontal axis numbered 1 to 5 and the vertical axis numbered negative 2 to positive 2. Points are scattered on and above the horizontal axis.
Mathematics
2 answers:
zhenek [66]2 years ago
8 0

Answer:

b

Step-by-step explanation:

Phantasy [73]2 years ago
3 0

Answer:

Its the second one

Step-by-step explanation:

I got it correct

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{(−1, 5), (2, 8), (5, 3), (13, −4)} what are the range
makkiz [27]
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julia has 80$.she wants to purchase a nail paint set for 16$.she spends the rest of her money on earrings.each pair of earrings
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7 times as many as 3,073
mestny [16]

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Changle. Show all work. Round each length to the nearest tenth and each angle to the
Sedaia [141]

Answer:

Part 1) BC=12.2\ units

Part 2) m\angle A=55^o

Part 3) m\angle C=35^o

Step-by-step explanation:

Part 1) Find AC

we know that

In the right triangle ABC of the figure

Applying the Pythagorean Theorem

AC^2=AB^2+BC^2

substitute the given values

AC^2=7^2+10^2

AC^2=149\\AC=12.2\ units

Part 2) Find the measure of angle A

we know that

In the right triangle ABC

tan(A)=\frac{BC}{AB} ----> by TOA (opposite side divided by the adjacent side)

substitute the values

tan(A)=\frac{10}{7}

using a calculator

m\angle A=tan^{-1}(\frac{10}{7})=55^o

Part 3) Find the measure of angle C

we know that

In the right triangle ABC

m\angle A+m\angle C=90^o ----> by complementary angles

substitute the given value

55^o+m\angle C=90^o

m\angle C=90^o-55^o=35^o

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3 years ago
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