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2 years ago

72 1/10% of 19 =Show work

Mathematics

1 answer:

Lerok [7]2 years ago

3 0

72 1/10% = 72.1% then you can put it in decimal form by moving two decimal places left .721 and take away the percentage symbol, the word "of" in this case means you're multiplying so it will be .721 x 19 and that's how you get your answer

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The record high temperature in January was 18 degrees. The record low temperature was –7 degrees. What is the amount of change b

vodka [1.7K]

Answer: $25^{\circ}$

Step-by-step explanation:

Given

The highest temperature recorded is $18^{\circ}$

The lowest temperature recorded is $-7^{\circ}$

The amount of change between the high and the low temperatures is

$\Rightarrow 18-(-7)=18+7\\\Rightarrow 25^{\circ}$

6 0

3 years ago

Write the expression in standard form. -2(8m + 3)

Artist 52 [7]

Answer:

-16m-6

Step-by-step explanation:

use distributive property, you get -16m-6

I hope this helped, and if my answer was right, please mark this as brainliest! Thank you!

4 0

3 years ago

Read 2 more answers

I need to find the value of X !

vovangra [49]

The angle right above 4x is equal to x

and 4x + x = 180

5x = 180

/5 /5

x = 36

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3 years ago

The difference of the square of a number and 4 is equal to 3 times that number. Find the negative solution.

leonid [27]

The negative solution is x = –1.

Solution:

Let the number be x.

Square of a number = x²

3 times a number = 3x

Difference of square of a number and 4 = 3 times that number

$\Rightarrow x^2-4=3x$

Subtract 3x from both sides of the equation, we get

$\Rightarrow x^2-3x-4=0$

–3x can be written as x – 4x.

$\Rightarrow x^2+x-4x-4=0$

$\Rightarrow( x^2+x)+(-4x-4)=0$

1st bracket have common term x and bracket have –4 common term.

$\Rightarrow x( x+1)-4(x+1)=0$

Take common term x + 1 outside.

$(x+1)(x-4)=0$

<em>By zero factor principle, if AB = 0 then A = 0 or B = 0.</em>

x + 1 = 0, x – 4 = 0

x = –1, x = 4

The negative solution is x = –1.

7 0

3 years ago

What do the graphs of multiplicative patterns have in common?

alukav5142 [94]

They repeat by adding that same number again and again

7 0

3 years ago