Ask question

Ask question

All categories

3 years ago

14

I ned helps plsssssssss wikill give free brainliests

2 answers:

Katena32 [7]3 years ago

8 0

Number 1 is: p=0.42n or (A)
Number 2 is: D

qwelly [4]3 years ago

3 0

Answer:

1. C and/or B

2. D

Step-by-step explanation:

You might be interested in

Perform the following

tatyana61 [14]

Answer:

4

Step-by-step explanation:

45.2 x 0.035=1.582

"Significant figures are the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value. We start counting significant figures at the first non-zero digit." -Khan Academy. org > significant figures

5 0

2 years ago

A closed circle on the number line indicates the bondary point is included in the solution set. Ture False

luda_lava [24]

Answer:

A closed circle on the number line indicates that the boundary point is included in the solution set

Step-by-step explanation:

I think that can help :) wanna chat add me as frind

4 0

3 years ago

Helpp i really neeed it

Marizza181 [45]

Answer:

9 hours

Step-by-step explanation:

If she makes $ 20 for each car, washing 9 cars in 3 hours would get $ 180.

So she will need to work 9 hours 180 + 180 + 180, washing 9 cars in 3 hours and would get $ 540. This is enough to buy her phone and she will have a surplus of $ 120.

In summary she must work 9 hours

Hope this helps you, please give me the brainliest

7 0

3 years ago

Help me please !! i need the answer

madam [21]

Answer:

$PQ=22\\\\QR=7\\\\PR=29$

Step-by-step explanation:

To find the value of y, you can create an equation where two parts of the line are equal to the whole line:

$PQ+QR=PR$

Substitute given values:

$(8y+6)+(y+5)=(19y-9)$

Solve for y. Simplify parentheses:

$8y+6+y+5=19y-9$

Combine like terms to simplify the equation:

$8y+y+6+5=19y-9\\\\9y+11=19y-9$

Get the variable on one side of the equation and the constants on the other. Add 9 to both sides:

$9y+11+9=19y-9+9\\\\9y+20=19y$

Subtract 9y from both sides:

$9y-9y+20=19y-9y\\\\20=10y$

Isolate the variable. Divide both sides by 10:

$\frac{20}{10} =\frac{10y}{10} \\\\y=2$

The value of y is 2. Insert this value into each line segment value and solve:

$PQ=8(2)+6\\\\PQ=16+6\\\\PQ=22$

$QR=(2)+5\\\\QR=7$

$PR=19(2)-9\\\\PR=38-9\\\\PR=29$

:Done

You can check by using:

$PQ+QR=PR\\\\22+7=29$

This statement is true, so the values are correct.

7 0

3 years ago

Dylan has a fish tank at home. He knows its height, h, is one inch less than twice the width, w, and the length, l, of the fish

pickupchik [31]

The right answer is: <em>The binomial expression 2w + 6 represents the length of the fish tank.</em>

Dylan has a fish tank, so we assume that this tank is a cube. In this way, the volume of the tank is given by this expression:

$V = w.h.l$

Where:

h: height

w: width

l: length

We know the following things:

FIRST.<em> He knows its height, h, is one inch less than twice the width, w.</em>

This can be expressed as the following equation:

$h=2w-1$

SECOND. <em>The length, l, of the fish tank is seven inches longer than the height.</em>

We can express this statement as follows:

$l=h+7 \\ \\ \therefore l=2w-1+7 \\ \\ \therefore l=2w+6$

By substituting $h \ and \ l$ in $V$ :

$V=w.h.l \\ \\ \therefore V=w(2w-1)(2w+6) \\ \\ \therefore V=w(4w^2-12w-2w-6) \\ \\ \therefore \boxed{V=4w^3-14w^2-6w}$

4 0

4 years ago

Read 2 more answers