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3 years ago

Please no links I just need a answer please

Mathematics

2 answers:

ivanzaharov [21]3 years ago

7 0

Answer:

Step-by-step explanation:

The amount of hours she will babysit for is unknown, so it will be 2x. However, she will always get 5 dollars for the gas, so its a constant and does not have a variable.

julia-pushkina [17]3 years ago

3 0

C i hope its helps ur welcomed

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Marshall baked two kinds of cakes. Each cake was the same size. He served 1 half of the marble cake. He served 1 third of the le

Assoli18 [71]

Answer:

He served 3/6 of the lemon cake and 2/6 of the marble cake. He served 1 more piece of the lemon cake than marble cake.

Step-by-step explanation:

A third of 6 is 2 and half of six is 3.

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2 years ago

Simplify 2(12-18\3+4)

Goshia [24]

${\bold{\red{\huge{\mathbb{QUESTION}}}}}$

Simplify

$2(12 - \frac{18}{3} + 4)$

$\huge\green{\boxed{\huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}}}$

ATQ->

$2(12 - ( \frac{ \cancel{18}^{ \: \: \: 6} }{3} ) + 4 \\ 2(12 - 6 + 4) \\ 2(16 - 6) \\ 2(10) \\ 20 \: \: is \: your \: ans$

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3 years ago

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The value of the x-intercept for the graph of 4x-5y=40 is<br> 1) 10<br> 2) 4/5<br> 3) -4/5<br> 4) -8

borishaifa [10]

Answer:

I took it and got this question anf got it correct! Hope i helped!

Step-by-step explanation:

- 8

7 0

3 years ago

Read 2 more answers

Here is the image I need help with

Mama L [17]

Answer:

All I know for a fact is that number 10 is C

Step-by-step explanation:

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2 years ago

The following table shows the weights, in hundreds of pounds, for six selected cars. Also shown is the corresponding fuel eff

Reika [66]

Answer:

Step-by-step explanation:

Given is a table showing the weights, in hundreds of pounds, for six selected cars. Also shown is the corresponding fuel efficiency, in miles per gallon (mpg), for the car in city driving.

Weight Fuel eff. x^2 xy y^2

X Y

28 20 784 560 400

3 22 9 66 484

35 19 1225 665 361

32 22 1024 704 484

30 23 900 690 529

29 21 841 609 441

Mean 26.16666667 21.16666667 797.1666667 549 449.8333333

Variance 112.4722222 1.805555556

Covariance -553.8611111

r -0.341120235

Correlaton coefficient =cov (xy)/S_x S_y

Covariance (x,y) = E(xy)-E(x)E(y)

The correlation coefficient between the weight of a car and the fuel efficiency is -0.341

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3 years ago