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2 years ago

(4 X 3) X 2 please help me!! she needs help again

Mathematics

2 answers:

andre [41]2 years ago

7 0

Step-by-step explanation:

(4 × 3) × 2

Always solve the one in the bracket first.

(4 × 3) ×2

(12) × 2

Now, you can multiply both numbers.

12 × 2

=> 24

Hope it helps you. Good night.

Gnoma [55]2 years ago

3 0

Answer:

(4 x 3) x 2=
=12 x 2

=24

Step-by-step explanation:

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She worked a total of 15 hours. If she makes $15 per hour tutoring and $9 per hour at the grocery store and made a total of $159

Ugo [173]

Answer:

11 hours she worked at the grocery store

Step-by-step explanation:

assuming,

the number of hours worked at tutoring = x

the number of hours worked at grocery store = y

which means,

the amount she made at tutoring = x* $15

the amount she made at grocery store = y*$9

we have 2 equations

total number of hours

1) x+y= 15

total amount she earned

2) x* $15+ y* $9= $159

From equation 1

x+y= 15

x=15-y

we replace this x value in equation 2

x* $15+ y* $9= $159

(15-y)* $15+ y* $9= $159

(15*15)- 15y+9y=159

225-6y=159

225-159=6y

66=6y

66/6=y

11=y the number of hours she worked at grocery store.

we place y=11 in our derived x equation

x=15-y

x=15-11

x=4 the number of hours she worked at tutoring.

3 0

3 years ago

Which of the following correlation coefficients represents the strongest

erik [133]

Answer:

$\boxed {\boxed {\sf -0.92}}$

Step-by-step explanation:

A correlation coefficient is a number ranging from -1 and 1 that measures the strength and direction of a linear relationship.

If it is a negative number, the linear relationship is also negative. If it's positive, the relationship is positive.
The closer it is to -1 or 1, the stronger the relationship.

Since the question only asks for the strongest relationship and does not ask for the direction (positive/negative), we can simply choose the number closest to -1/1. Therefore, the answer is -0.92.

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3 years ago

Write the equation of the tangent line to x2+y2=41 at the point (-4,5)

AnnyKZ [126]

Answer:

As attached

Step-by-step explanation: