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3 years ago

11

Number 11. I am stuck

2 answers:

maria [59]3 years ago

8 0

Answer:

-10a^9

Step-by-step explanation:

Since they have the same variable and exponent, just add them together.

arsen [322]3 years ago

4 0

Answer:

-10a^9

Step-by-step explanation:

you can add -2a^9 and -8a^9 because they have the same exponent of a

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Does anyone know the answer to this scale and unit conversion GED math problem? Thank you very much!

aliya0001 [1]

Answer:

Flour $5\dfrac{1}{2}\ c$

Sugar $2\dfrac{2}{3}\ c$

Butter $1\dfrac{1}{2}\ c$

Eggs $2$

Baking powder $7\ t$

Vanilla extract $3\ t$

Step-by-step explanation:

There will be 16 people at the party. Each person will eat 3 cookies, so all people will eat $16\cdot 3=48$ cookies.

Given cookie recipe makes 24 cookies, so to make 48 cookies you need

$48:24=2$ portions.

Thus,

1 portion 2 portions

Flour $2 \dfrac{3}{4}\ c$ $2\dfrac{3}{4}\cdot 2=2\cdot 2+\dfrac{3}{4}\cdot 2=4+\dfrac{3}{2}=4+1 \dfrac{1}{2}=5\dfrac{1}{2}\ c$

Sugar $1\dfrac{1}{3}\ c$ $1\dfrac{1}{3}\cdot 2=1\cdot 2+\dfrac{1}{3}\cdot 2=2+\dfrac{2}{3}=2\dfrac{2}{3}\ c$

Butter $\dfrac{3}{4}\ c$ $\dfrac{3}{4}\cdot 2=\dfrac{3}{2}=1\dfrac{1}{2}\ c$

Eggs $1$ $1\cdot 2=2$

Powder $3\dfrac{1}{2}\ t$ $3\dfrac{1}{2}\cdot 2=3\cdot 2+\dfrac{1}{2}\cdot 2=6+1=7\ t$

Vanilla $1\dfrac{1}{2}\ t$ $1\dfrac{1}{2}\cdot 2=1\cdot 2+\dfrac{1}{2}\cdot 2=2+1=3\ t$

8 0

3 years ago

What are the intercepts of x^2+y-9=0

Dmitry_Shevchenko [17]

Answer:

Zeros

x = -3 point (-3 ,0)

x = 3 point (3 ,0)

Step-by-step explanation:

Using a graphing calculator, we can easily check the intercepts of the equation

y = -x^2 +9

8 0

3 years ago

Estimates the sum of 1/2-1/3

VladimirAG [237]

<span>decimal: 0.166666667

fraction: 1/6

this is if you were asking the difference which is subtraction, you asked for the sum and the difference
</span>

8 0

4 years ago

B. 5 times the sum of 7 and 23

Lynna [10]

5 (7 + 23)

(Use distributive property to solve)

1. 5*7 + 5*23

2. 35 + 115

3. 150

7 0

4 years ago

Read 2 more answers

Indicate by true or false whether the following equation is quadratic -3/4x^2 +2=0 true or false

yKpoI14uk [10]

$\bf -\cfrac{3}{4}x^2+2=0\impliedby \textit{notice the }^2\textit{, is \underline{quadratic}}$

bear in mind that it goes with the "degree" of the polynomial.

5 0

3 years ago