3 years ago

What's equivalent to this polynomial: (10g^3-8g^2+5g-14)+(10g^2+12g)

Mathematics

1 answer:

ArbitrLikvidat [17]3 years ago

6 0

<span>10g³+2g²+17g-14

Hope I helped! ( Smiles )</span>

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Together, Tim and Tom have $2.40. Tim has three times as much as Tom. How much does each have?

Phoenix [80]

X = how much Tim has
y = how much Tom has
x + y = 2.40
x = 3y
Substitute 3y for x
3y + y = 2.40
4y = 2.40
y = 0.60
Plug in y value into previous equation
x = 3(0.60)
x = 1.80
ANSWERS: Tim has $1.80 and Tom has $0.60

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3 years ago

To the nearest tenth, find the perimeter of ABC with vertices A(-1,4), B(-2,1) and C(2,1). show your work

liubo4ka [24]

we have to firstly apply the distance formula to find the length of sides of the triangle

distance formula = $\sqrt{(x_{2} -x_{1})^2 +(y_{2}- y_{1})^2}$

So length AB = $\sqrt{(-2-(-1))^2+(1-4)^2}= \sqrt{1 +9}=\sqrt{10}$

BC= $\sqrt{(2-(-2))^2+(1-1)^2}= \sqrt{16+0}=4$

AC = $\sqrt{(2-(-1))^2+ (1-4)^2}= \sqrt{9+9}=\sqrt{18}=3\sqrt{2}$

Now perimeter = AB+BC+AC = $\sqrt{10}+4+3\sqrt{2}$

Plug in calculator

perimeter= 11.4 units

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3 years ago

WILL MARK BRAINLIST PLSS HELP

mario62 [17]

1.)A 2.)B. 3.)C. 4.)C. 5.)B

I think the only one i might of gotten wrong is 4. if any are wrong. please let me know for future reference.

~ItsOniiSama ❤

Hope this helps! If so please ,mark brainliest!

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3 years ago

Read 2 more answers

Evaluate the expression 5 /6 + -3 /5

Karo-lina-s [1.5K]

Step-by-step explanation:

$\frac{7}{30}$

$\frac{5}{6} + ( - \frac{3}{5} ) \\ lcm = 30 \\ \frac{25 + ( - 18)}{30} = \frac{7}{30}$

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2 years ago

A marathon is 26.2 miles long. If a runner can run 7.5 miles in 60 minutes, how many minutes will it take to run the full marath

olganol [36]

210 I think because theres 3.4 of 60minutes/ hrs and 3.4 times 60 is 209.6 and it said round to the nearest minute which is 9 so 210

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3 years ago