3 years ago

Classify the triangles the choices are equilateral,isosceles, scalene and right please help and be quick thanks

Mathematics

1 answer:

Digiron [165]3 years ago

3 0

Answer:

Step-by-step explanation:

some off this is a tranggle

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Find the equation of the line with the given slope that passes through the given point. Write the

allsm [11]

Answer:

y + 3 = 2(x + 1)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = 2 and (a, b) = (- 1, - 3), thus

y - (- 3) = 2(x - (- 1)), that is

y + 3 = 2(x + 1)

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3 years ago

Find the length of a square whose diagonal is 15cm

Vladimir [108]

2a^2 = 225
So a^2 = 225/2

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2 years ago

Jake earned $400 over the summer. He earned $220 mowing lawns, and he earned the rest washing cars for $10 each. He used this eq

vlada-n [284]

He washed 18 cars this summer

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3 years ago

SV is a midsegment of △RTU.<br> If TU=y+38 and SV=y–9, what is the value of y?

pav-90 [236]

Answer:

y = 56

Step-by-step explanation:

the midsegment SV is half the length of the side TU , that is

y - 9 = $\frac{1}{2}$ (y + 38) ← multiply both sides by 2 to clear the fraction

2y - 18 = y + 38 ( subtract y from both sides )

y - 18 = 38 ( add 18 to both sides )

y = 56

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2 years ago

3x^3-2x^2-147x+98=(ax-c)(bx+d)(bx-d) where a,b,c and d positive integers. Work out the value of a,b,c and d

Alexxx [7]

Expand the right side:

$(ax-c)(bx+d)(bx-d)=(ax-c)(b^2x^2-d^2)$

$=ab^2x^3-b^2cx^2-ad^2x+cd^2$

Notice that 98 = 2 * 7 * 7, so we have $c=2$ and $d=7$ .

Then

$-ad^2=-147\implies a=\dfrac{147}{49}=3$

and

$ab^2=3\implies b^2=1\implies b=1$

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3 years ago