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steposvetlana [31]
2 years ago
13

I dont know what to do lol

Mathematics
1 answer:
atroni [7]2 years ago
8 0

Answer:

15 units

Step-by-step explanation:

The distance between two points can be found using the following formula:

d\sf=\sqrt{(x_2-x_1)+(y_2-y_1)}

Given points:

(-7, 5) and (2, -7)

<u>where:</u>

  • x₁ = -7
  • x₂ = 2
  • y₁ = 5
  • y₂ = -7

Substitute these points into the formula and simplify:

\sf d=\sqrt{(2-(-7))^2+((-7)-5)^2} \ \textsf{[simplify the radicand]}\\\\ d=\sqrt{(2+7)^2+(-12)^2} \ \textsf{[simplify]}\\\\d=\sqrt{(9)^2+(-12)^2} \ \textsf{[evaluate the power]}\\\\d=\sqrt{81+144} \ \textsf{[add]}\\\\d=\sqrt{225}\ \textsf{[simplify]}\\\\d=15

The distance between the two points is 15 units.

Learn more here:

brainly.com/question/27708708

brainly.com/question/21152362

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Use part 1 of the fundamental theorem of calculus to find the derivative of the function. y = 5 u3 1 + u2 du 4 − 3x
posledela
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y(x)=\displaystyle\int_5^{4-3x}u^3(1+u^2)\,\mathrm du

in which case the FTC asserts that

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In a discount clothing store, all sweaters are sold at one fixed price and all shirts are sold at another fixed price. If one sw
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Answer:

1 Sweater = <em>$</em><em>1</em><em>2</em>

1 Shirt = <em>$</em><em>1</em><em>0</em>

1st.

Sw = y

Sh = x

2nd: <em>set</em><em> </em><em>the</em><em> </em><em>problem</em><em> </em><em>into</em><em> </em><em>a</em><em> </em><em>function</em><em>. </em>

<em>-</em><em> </em><em>One</em><em> </em><em>sweater and four shirts cost $52</em><em>.</em>

y+x+x+x+x = $52

and

- Four sweaters and five shirts cost $98.

y+y+y+y+x+x+x+x+x = $98

3rd.

y+x+x+x+x = $52

y = 52-x-x-x-x

y = 52-4x

4th. <em>if</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>5</em><em>2</em><em>-4x</em><em>,</em><em> </em><em>we</em><em> </em><em>will</em><em> </em><em>substitute</em><em> </em><em>on</em><em> </em><em>the</em><em> </em><em>second</em><em> </em><em>equation</em><em>. </em>

y+y+y+y+x+x+x+x+x = $98

52-4x+52-4x+52-4x+52-4x+5x = 98

208-16x+5x = 98

-16x+5x = 98-208

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x = -110/-11

x = 10

5th. if <em>x</em><em> </em><em>=</em><em> </em><em>1</em><em>0</em><em>,</em><em> </em>now that we know what x equals to, we will substitute on the first equation to find out what y equals to.

y = 52-4x

y = 52-(4)(10)

y = 12

----------,-----------,---------,-----------,--------,--------,---------

Sweater = $12

Shirt = $10

3 0
3 years ago
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