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Elanso [62]
3 years ago
7

The rectangle shown below has an area of 4(x+3) square units.

Mathematics
1 answer:
ivolga24 [154]3 years ago
5 0
I don't understand.. what is your question?
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please help me figure out the length of side AC!!!! i put the points at 16! i need this by the 21st :(
Ilia_Sergeevich [38]

Answer:

AC = \sqrt{89} units²

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse AC is equal to the sum of the squares on the other 2 sides, that is

AC² = AB² + BC² = 5² + 8² = 25 + 64 = 89 ( take square root of both sides )

AC = \sqrt{89} ≈ 9.43 ( to 2 dec. places )

8 0
3 years ago
which function has a constant additive rate of change of –1/4? A coordinate plane with a straight line with a negative slope. Th
e-lub [12.9K]

Answer:

it's A

Step-by-step explanation:

i just did it

5 0
3 years ago
Read 2 more answers
The amount of red blood cells in a blood sample is equal to the total amount in the sample minus the amount of plasma. What is t
zaharov [31]

Answer:

Step-by-step explanation:

The question is:

The amount of red blood cells in a blood sample is equal to the total amount in the sample minus the amount of plasma. What is the total amount of blood drawn? Red blood cells = 45% Plasma = 5.5 ml

Solution:

We have given:

The amount of red blood cells in a blood sample is equal to the total amount in the sample minus the amount of plasma. We need to find how many ml is 1% of blood.

The equation we get is:

Red blood cells = total sample - amount of plasma

45% = 100% - 5.5 ml

Combine the percentages:

5.5 ml = 100%-45%

5.5 ml = 55%

0.1 ml = 1%

1% = 0.1 ml

Now you can find out red blood cells volume or total sample volume.

Red blood cells volume = 45% x 0.1ml/%

= 4.5ml

Total sample volume =100% x 0.1ml/%

= 10ml .

4 0
3 years ago
Trig questions above solve for x and round to the nearest tenth
Alik [6]

Answer:

x= 51.3

x=35.1

Step-by-step explanation:

10.)

For this one we have the adjacent side and the hypotonouse

Which means we'll use CAH

cos(x)=25/40

x= 51.31781255

(assuming that we have to round to the nearest tenth again)

x=51.3

12.)

For this one we have the adjacent and hyptonouse

we'll use CAH again

cos(x)=27/33

x= 35.09680123

x=35.1

7 0
3 years ago
Solve each problem below. Show your work.
gogolik [260]
1. 7 bags

2. 20 ounces

3. 3 days

4. 3.6 inches

5. 9/10 of a bale of hay
7 0
2 years ago
Read 2 more answers
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