MATHEMATICS MIDDLE SCHOOL

Please answer correctly !!!! Will mark brainliest !!!!!!

Answers

Answer 1

Answer:

Answer:

-12

Step-by-step explanation:

-6 f(-3) - 5 g(-7)

f(-3) is the value of the function at -3

f(-3) = -3

g(-7) is the value of the function at -7

g(-7) = 6

-6 (-3) - 5 *6

18 - 30

-12

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Y = mx + b looking for x

Answers

Use the formula y=1 and so forth

Sami and her friend went to the candy store.each of them purchased a bag of jelly beans. Sandra bag weighed 1.5 pounds. Her friends bagweighed 2.5 pounds. If the candy is $4.50 per pound, how much did they spend altogether?

Answers

If the candy is $4.50 per pound, Sami and her friend spent $ 18 altogether.

Solution:

Given that, Sami and her friend went to the candy store.

Each of them purchased a bag of jelly beans

Weight of sami bag = 1.5 pound

Weight of her friend bag = 2.5 pound

Cost of candy per pound = 4.50

We have to find how much did they spend altogether

Total weight of candy = Sandra bag weight + her friend bag weight

= 1.5 + 2.5 = 4 pounds

Total cost = number of pounds x 4.5 per pound

$=4 * 4.5=18$

Hence, they spent $ 18 altogether.

Help with number 8 please thank you !!!!!!!

Answers

Answer:

1/9 and -1/9

Step-by-step explanation:

81x^2=1

Dividing by 81 on both sides:

x^2=1/81

Taking the square root:

x= ±1/9

It says estimate the product of 32 and 48 then find the exact product☺

Answers

I estimate about 1,500... the answer is 1,536

The measure of angle Jkl can be represented using the expression 3x+5 What is the Degree of JKL

Answers

Answer:

$65^\circ$

Step-by-step explanation:

It is given that the measure of angle JKL can be represented by $(3x+5)$ .

And from the figure we can see that the measure of angle JKL is,

$(45^\circ+x^\circ)$

Both the measures must be equal, hence equating both the angles we get,

$(3x+5)=45+x$

Solving for 'x' we get,

$3x+5=45+x$

$3x-x=45-5$

$2x=40$

$x=(40)/(2)$

$x=20$

Putting the value of 'x' we can calculate the measure of angle JKL,

$45^\circ+x^\circ=45^\circ+20^\circ=65^\circ$

Therefore, the measure of angle JKL is, $65^\circ$ .

What are the coordinates of the y-intercept in the equation Y=X -1? (,)

Answers

Answer:

The y-intercept is (0,-1).

Step-by-step explanation:

The graph moved down -1 because of the -1 in the equation.

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