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bagirrra123 [75]
3 years ago
8

Why do we have to do school​

Mathematics
1 answer:
lawyer [7]3 years ago
5 0
To learn math reading writing and pe.
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A multivitamin tablet contains 10.5mg of calcium. How much calcium does a bottle of 20 tablets contain? Write your answer in gra
Gelneren [198K]

Hi!

If one tablet contains 10.5mg of calcium, then 20 tablets contain 20*10.5 mg = 210 mg.

1 g = 1000 mg

Knowing that : 210 mg = 0.21 grams

Hope this helps!

4 0
3 years ago
Alfonso solved a division problem by drawing an area model . a. Look at the area model . What division problem did Alfonso solve
r-ruslan [8.4K]

Answer:

The answer is "\frac{72}{4} =18".

Step-by-step explanation:

Given value:

4 40 32

Solution:

{\boxed{4\ \boxed{40} \ \boxed{32}}}

If we divide the value by 4 it will give 10 and 8.

\to \frac{40}{ 4} = 10\\\\\to \frac{32}{ 4} = 8\\

If we add the boxed value it will be equal to 72 and divide the value by 4 it will give a value 18.

\to 40+32 =72\\\\\to \frac{72}{4}=18

8 0
3 years ago
Write the equation x^2 - 10x + 17 = 0 in the form (x+p)^2 = q (50 points!)
maxonik [38]

Answer: (x-5)²=8

Step-by-step explanation:

x²-10x+17=0

x²-2(x)(5)+5²-5²+17=0

(x²-2(x)(5)+5²)-25+17=0

(x-5)²-8=0

(x-5)²-8+8=0+8

(x-5)²=8

7 0
1 year ago
Read 2 more answers
the radius of a cylindrical construction pipe is 3 ft . If the pipe is 25ft long , what is it’s volume ?
ki77a [65]

Given:

radius of a cylindrical construction pipe is 3 ft

lenghtis 25ft long

Required:

what is it’s volume

Explanation:

volume of cylinder:

\begin{gathered} V=\pi r^2h \\  \\ here\text{ h is the length of the pipe} \\  \\ V=3.14\times(3)^2\times25 \\  \\ V=3.14\times9\times25 \\  \\ V=707\text{ ft}^3 \end{gathered}

Required answer:

V=707\text{ ft}^3

7 0
1 year ago
PLS ANSWER PLS PLS PLS
s2008m [1.1K]
The correct answer is 120 degrees.

With the bigger triangle you can add all of the angles to get 60 degrees. (35+25)

This leaves you with a 120 degrees angle in the unmarked corner of the triangle. Any horizontal line and any triangle is 180 in total.

So with a 120 degree angle in the corner this leaves us with a 60 angle in the smaller triangle. ( The smaller triangle equals 60 degrees in all corners, it is equalateral ).

X is on a horizontal line and we now know that the one side of the line equals 60 degrees and any horizontal line equals 180 in total, this means that the measure of X is 120, (60+120)

X is 120 :)

7 0
3 years ago
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