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3 years ago

Write an algebraic expression for the product of a number and 10

Mathematics

1 answer:

Travka [436]3 years ago

6 0

Answer: 10 x y, let a number be y, then just multiply them together.

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Alan wears his coat when the temp is colder than -4.c

denis23 [38]

Answer:

T<-4.c

Step-by-step explanation:

If it’s “less than” then the stated number is the highest number that you can have

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3 years ago

What are the solutions of the equation 9x4-2x2-7=0? Use u substitution to solve.<br>

koban [17]

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Step-by-step explanation:

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4 years ago

Read 2 more answers

Find the equation for the linear function that passes through the points (−2,−5) and (4,4). State your equation with whole numbe

UNO [17]

Answer:

$y=\frac{3}{2} x-2$

Step-by-step explanation:

To find your slope using two points, use the slope formula.

$\frac{y2-y1}{x2-x1}$

Your y1 term is -5, your y2 term is 4.

Your x1 term is -2, your x2 term is 4.

$\frac{4-(-5)}{4-(-2)} \\\\\frac{9}{6} \\\\\frac{3}{2}$

Now that we have your slope, you can use the slope and one of your points in point-slope form to find your y-intercept.

$y-y1=m(x-x1)\\y-4=\frac{3}{2} (x-4)\\y-4=\frac{3}{2} x-6\\y=\frac{3}{2} x-2$

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3 years ago

Suppose you have abc with ab = 5, bc = 7, and ca = 10, and also efg with ef = 900, fg = 1260, and ge = 1800. are these triangles

madreJ [45]

SSS theorem: If two triangles have three pairs of sides in the same ratio, then the triangles are similar.

Write the ratio between the smallest sides, between the greatest sides and between the middle sides and compare the results:

$\dfrac{EF}{AB}=\dfrac{900}{5}=180;$
$\dfrac{EG}{AC}=\dfrac{1800}{10}=180;$
$\dfrac{GF}{CB}=\dfrac{1260}{7}=180.$

This gives you that

$\dfrac{EF}{AB}=\dfrac{EG}{AC}=\dfrac{GF}{CB}=180.$

By SSS theorem triangles ABC and EFG are similar with scale factor 180.

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4 years ago

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