It’s actually B Bc the little 1 by the 10 is meaning that you are gonna multiply 10x10 one time. Then multiply by 7. 10x10=100 100x7=700 so there for your answer is B

4 0

2 years ago

Solve the equation (1 + x²)dy +xydx= 0

Tatiana [17]

Answer:

$y=\frac{c}{\sqrt[]{x^2+1} }$

Step-by-step explanation:

(1 + x²)dy +xydx= 0

$(1+x^2)dy=-xydx\\\frac{1}{y}dy=\frac{-x}{x^2+1}dx\\$

Integrate both side

$lny=-\frac{1}{2} ln(x^2+1)+c\\y=\frac{c}{\sqrt[]{x^2+1} }$

7 0

2 years ago

Simplify the expression:

krek1111 [17]

Answer:

235a is 1

235b is a^12k+4 i think

3 0

2 years ago

Jen and Marcus got 15 miles up river before they ran out of gas. they floated 9 miles back down the river before they reached th

mariarad [96]

Hey There,

Question: "<span>Jen and Marcus got 15 miles up river before they ran out of gas. they floated 9 miles back down the river before they reached the shore. how far did they get?"

Answer: 6 Miles

Reason: 15 Miles up river 9 miles down river. 15 - 9 = 6

Hope This Helps!

See Ya Broski!</span>

7 0

2 years ago

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jimmy had twice as many oranges as grapefruit, 5 more grapefruits than pineapples, how many of each fruit did jimmy have?​

jimmy had twice as many oranges as grapefruit, 5 more grapefruits than pineapples, how many of each fruit did jimmy have?