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svlad2 [7]
3 years ago
11

What is 13+6b=-5(7-6b)

Mathematics
1 answer:
gayaneshka [121]3 years ago
3 0
13+6b=-5(7-6b) -- expand brackets
13+6b=-35+30b -- subtract 6b and add 35 to both sides
48=24b -- divide by 24
2=b

b=2
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Help subtract (xsquared +43x10)-(10xsquared-5x+10 express the answer in standard form
ad-work [718]

Answer:

\large\boxed{(x^2+43x+10)-(10x^2-5x+10)=-9x^2+48x}

Step-by-step explanation:

(x^2+43x+10)-(10x^2-5x+10)\\\\=x^2+43x+10-10x^2-(-5x)-10\\\\=x^2+43x+10-10x^2+5x-10\qquad\text{combine like terms}\\\\=(x^2-10x^2)+(43x+5x)+(10-10)\\\\=-9x^2+48x

6 0
4 years ago
Sales prices of baseball cards from the 1960s are known topossess a skewed-right distribution with a mean sale price of $5.25and
Serga [27]

Answer:

c. Skewed-right with a mean of $5.25 and a standard error of$0.28

Step-by-step explanation:

As we have given that Sales prices of baseball cards have a right-skewed distribution with a mean $5.25 and a standard deviation is $2.80.

Now, We know that if standard deviation = σ

then, standard error = \frac{\sigma}{\sqrt{n}}

As, we have standard deviation = $2.80

then standard error will be \frac{2.80}{\sqrt{100}}

⇒ Standard error = $0.28

Hence, Option (c) is the correct option.

6 0
4 years ago
I don’t really understand?
aksik [14]

Go over the x axis up 5  and over the y axis left 1

3 0
3 years ago
Problem Solve for t.<br> 2(t+1) = 10
Svetllana [295]

t=4

explanation

2(t+1)=10

2t+2=10

2t=8

t=4

5 0
3 years ago
8 multiplied by 3/4 divided by 3/3
bezimeni [28]
8 * 3/4

Multiply 8 by 4 to get 32 then divide 32 by 3 to get 3.6 repeating

3/3 is basically 1 so its still 3.6 

3.6 is  3 3/5

-XCalypso

~ Dont forget to rate, thank and vote brainliest answer! :D ~
5 0
3 years ago
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