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2 years ago

SO CLOSE! A system of two equations is shown below:

Mathematics

2 answers:

kap26 [50]2 years ago

8 0

3b+6 is the answer for this

12345 [234]2 years ago

3 0

3b+6

If you make both equations equal each other, you can then solve the system of equations.

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15y^-11/3y^-11, show steps I need help please don't understand how to do it.

tester [92]

One may note, you never quite asked anything per se, ahemm, if you meant simplification.

$\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------\\\\
\cfrac{15y^{-11}}{3y^{-11}}\implies \cfrac{15}{3}\cdot \cfrac{y^{-11}}{y^{-11}}\implies 5\cdot y^{-11}\cdot y^{+11}\implies 5\cdot y^{-11+11}
\\\\\\
5y^0 \implies \boxed{5}$

8 0

3 years ago

What is the arc measure of arc AB on circle P in degrees?

Nastasia [14]

Answer:

measure of arc AB = 74°

Step-by-step explanation:

360 - 286 = 74

6 0

3 years ago

at a grocery store, an uncooked beef roast is on sale for $5.99/lb. At the same grocery store, prepared roast beef is available

-Dominant- [34]

Answer:

$7.58/lb

Step-by-step explanation:

raw roast: $5.99 per lb

deli roast: $2.99 for 100g

We know the price per lb of the raw roast.

Let's find the price per lb of the deli roast.

1 lb = 454 grams

454 grams / 100 grams = 4.54

1 lb is 4.54 times 100 g

If we multiply the price of 100g of deli roast by 4.54, we get teh price per lb.

$2.99/lb * 4.54 = $13.57/lb

raw roast: $5.99/lb

deli roast: $13.57/lb

difference in price of 1 lb: $13.57 - $5.99 = $7.58

Answer: $7.58/lb

3 0

3 years ago

Read 2 more answers

This is 13 points plz help ( no links ) explain your answer plz<br> ( only answer if u know it )

umka21 [38]

The answer is 960 :)

4 0

2 years ago

You are riding your bike and notice the square sign above. You mentally draw a straight line from point A to C.

svlad2 [7]

1. The angles DCA and BCA are the same.

2. Angles DCA and BCA are not supplementary. Since the both of them add up to 90° (we know that angle c is equal to 90° because in a right square all angles are 90°) the angles would be complementary, not supplementary. Supplementary angles add up to 180°

8 0

3 years ago