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gtnhenbr [62]
2 years ago
9

I need help with 18-19​

Mathematics
2 answers:
Svet_ta [14]2 years ago
8 0

Answer:

18-19= -1  

Step-by-step explanation:

18-19=-1

Sweetheart, you cant subtract a smaller number from an bigger number or it will be a negitive number so the answer is -1

elena-s [515]2 years ago
8 0

Answer:

18. p = 5

19. b = 8

Step-by-step explanation:

all you have to do is apply the inverse of the number being added to the variable to the other side of the equation to balance the equation. And if you are ever stuck there are great algebra calculators online. For example MathPapa. Good luck

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What is the product 3kk1
lianna [129]

According to the identity property, the product of 3k x 1 = 3k.

Identity property:

The identity property of multiplication defined that that we multiply 1 by any number, the product is the number itself.

The standard form of the identity property is written as.

a x 1 = 1 x a = a

Where the value of a must be greater than zero.

If the value of a is zero then the resulting value is 0.

Given,

Here we need to find the product of 3k x 1.

The general form of the identity property is written as,

=> a x 1 = a

So, if we multiply anything with 1, then it will gives the same.

So, the product of

=>3k x 1 = 3k.

To know more about Identity property here.

brainly.com/question/17426365

#SPJ4

4 0
1 year ago
For a football fundraiser, the booster club sold $8 nahos at the homecoming pep rally. In the last 30 minutes they wanted to sel
Nuetrik [128]

Answer:

Percent markdown from 8$ to 5$ is 37.5%

Step-by-step explanation:

Given that the booster club is selling nahos at $8 price and in last 30 minutes to sell as many as possible, they lowered the price to 5$.

Percent mark down= \frac{decrease in price}{original price} X100

                                =\frac{8-5}{8} X100=\frac{3}{8}X100

                                =37.5

Hence percent markdown from 8$ to 5$ is 37.5%

3 0
3 years ago
can someone please answer the first four for me? Also can someone please explain it to me, because I don't fully understand​
pentagon [3]

1                           2

a^{2} +b^{2} =c^{2} \\9^{2} + 13^{2} =c^{2}\\81+169=c^{2} \\250=c^{2} \\125=c        a^{2} +b^{2} =c^{2} \\16^{2} +18^{2} =c^{2} \\256+324=c^{2} \\580=c^{2} \\290=c

3                          4

a^{2} +b^{2} =c^{2} \\19^{2} +14^{2} =c^{2} \\361+196=c^{2} \\557=c^{2} \\278.5=c      a^{2}+ b^{2}=c^{2} \\10^{2} +11^{2}=c^{2} \\100+121=c^{2} \\221=c^{2} \\110.5=c

6 0
3 years ago
David can proofread15 reports in an hour while Armando can proofread 37reports in an hour. If they have 400 reports to proofread
ycow [4]
Together, it would take them 6 hours
8 0
3 years ago
Read 2 more answers
12 PTS; IF IT'S RIGHT I Promise BRAINLIST;5-STARS;THANKS; Beleive me it's simple I promise!!
NARA [144]

Not to be a stalker but I have this same test it’s

Functions Unit Review

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1. C
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3 years ago
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