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murzikaleks [220]
3 years ago
7

Two and one half times the sum of nine and twelve

Mathematics
1 answer:
ankoles [38]3 years ago
8 0
2.5 x (9+12) = 52.5

Hope that helps!
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PLLLLLLLLZZZZZZ help will give brainliest
Elodia [21]

Answer:A. 3x^2-2x-1+9x+2x^2-3=5x^2+7x-4

B. 5x^3+4x^2-x-3-5x^2-7x+4=5x^3-x^2-8x+1

C. Polynomials are closed under addition and subtraction...

Step-by-step explanation:

7 0
3 years ago
A can of crushed tomatoes holds 40 fluid ounces. How can a label designer name the same volume using metric units? Complete the
inn [45]

The metric unit of a quantity is simply the unit of measurement of the quantity

The volumes of the crashed tomato cans are 1184 milliliters and 1.184 liters

The volume of the crushed tomato can is given as:

\mathbf{Volume = 40oz}

From the question, we have the following conversion ratio

\mathbf{1oz \approx 29.6mL}

So, the volume in milliliters becomes

\mathbf{Volume = 40 \times 29.6mL}

Multiply

\mathbf{Volume = 1184mL}

To convert the unit to liters, we simply divide the volume by 1000.

So, we have:

\mathbf{Volume = 1184L \div 1000}

\mathbf{Volume = 1.184L}

Hence, the equivalent volumes are 1184 milliliters and 1.184 liters

Read more about metric units at:

brainly.com/question/2004114

3 0
2 years ago
Point Tis on line segment SU. Given TU = 4x + 1, SU = 8, and ST = 3x,
Harrizon [31]

Answer:

5 units

Step-by-step explanation:

If point T is on the line segment SU, then ST + TU = SU.

Given

TU = 4x + 1

SU = 8

ST =  3x

To get TU, we need to get the value of x first. To get x, we will substitute the given parameters into the formula;

3x+4x+1 = 8

7x+1 = 8

subtract 1 from both sides

7x+1-1 = 8-1

7x = 7

divide both sides by 7

7x/7 = 7/7

x = 1

Substitute x = 1 into the length TU

Since TU = 4x+1

TU = 4(1)+1

TU = 5

Hence the numerical length of TU is 5 units

4 0
3 years ago
What's is the expression of 36÷9
Rufina [12.5K]
Division the answer is 4
6 0
3 years ago
Read 2 more answers
Use the Law of Cosines to find the missing angle.<br><br> Find m∠A to the nearest tenth of a degree.
Savatey [412]

Firstly, we can look at our givens,

a = 17

b = 22

c = 30

And we are looking for m∠A

a^2=b^2 +c^2 -2bc (cosA) Is the Law of Cosines. Now we can solve for our unknown, m∠A. This will give us

A = cos^{-1} (\frac{-a^2+b^2+c^2}{2bc})

Now we can substitute in our given variables.

A= cos^{-1} (\frac{-(17^2)+27^2+30^2}{2(27)(30)} )

Then we can plug this into our calculator which will give us

34.19185257 degrees

Now we just have to round to the nearest tenth

This means that the answer is 34.2 degrees

8 0
3 years ago
Read 2 more answers
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