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likoan [24]
3 years ago
8

What’s the midpoint of (9,10) and (-9,-10)

Mathematics
2 answers:
katen-ka-za [31]3 years ago
7 0
Midpoint of (9,10) = 9.5 Midpoint of (-9,-10) = -9.5
igor_vitrenko [27]3 years ago
3 0
It is -9.5.................. I hope this helps out
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Which of the following shows an example of the commutative property of multiplication
Mars2501 [29]
<h3>Answer: Choice C</h3>

2 x 3 = 3 x 2

Explanation:

The commutative property of multiplication says we can multiply any two numbers in any order we want. The general rule is a x b = b x a, where x represents the multiplication symbol. The 'a' and 'b' can be any two numbers you want.

Choice C shows an example of this. Either side simplifies to 6.

Another example would be 4 x 5 = 5 x 4 where both sides become 20.

7 0
3 years ago
Debra is fertilizing her garden. The garden is in the shape of a rectangle. Its length is 12 feet and its width is 10 feet. Supp
KonstantinChe [14]

Answer:

If I'm correct the answer is 4

Step-by-step explanation:

Not 100% sure if I'm correct but if Debra's garden is 12 feet in length and 10 feet in width then you would multiply 10 × 12 that would be 120. Then divide 120 to 30 and you get your answer, 4. ( not 100% sure )

7 0
2 years ago
Read 2 more answers
Use the number line below to calculate 1/2x4/6:
Eddi Din [679]

Answer:

<h2>D.4/12</h2>

Step-by-step explanation:

<h3>I took the test to</h3>
4 0
2 years ago
The linear density of a rod of length 4 m is given by (x) = 2/sqrt(x), in grams per centimeter, where x is measured in centimete
lyudmila [28]

The density of a substance is the ratio of its mass and its volume. The mass of the rod is 10,666.67 grams or 10.67 kgs.

<h3>What is the density of a substance?</h3>

The density of a substance is the ratio of its mass and its volume. Therefore we can write,

d = \dfrac{m}{v}

mass of substance = m kg

density of substance = d kg/m³

volume of that substance = v m³

The length of the rod is 4 meters, therefore, the length of the rod in centimeters will be 400 centimeters. Thus, The mass in terms of density can be written as,

m = \int_0^4(2\sqrt x)dx\\\\

     = [2\cdot \dfrac{2x^{\frac32}}{3}]_0^{400}\\\\= [\dfrac{4x^{\frac32}}{3}]_0^{400}\\\\=[\dfrac{4(400)^{\frac32}}{3}]-[\dfrac{4(0)^{\frac32}}{3}]\\\\= 10,666.\bar6\rm\ grams

Hence, the mass of the rod is 10,666.67 grams or 10.67 kgs.

Learn more about Density:

brainly.com/question/952755

#SPJ1

5 0
2 years ago
Find the measure of the missing angle. 122,79,90,Z
Alexxx [7]
The total amount of angles in quadrilateral is 360.so:

z=360-(122+79+90)
z=360-291
z=69
7 0
3 years ago
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