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dezoksy [38]
3 years ago
14

Please help, my score is 89 I have to get to 90 this question is important!

Mathematics
1 answer:
White raven [17]3 years ago
3 0

Answer:

40.4

Step-by-step explanation:

Triangle TUV is similar to triangle XYZ.

Notice the order in which TUV and XYZ are written.

Angles are corresponding to angles in the same position in the names.

<T corresponds to <X.

<U corresponds to <Y.

<V corresponds to <Z.

In similar triangles, corresponding angles are congruent.

<T is congruent to <X.

<U is congruent to <Y.

<V is congruent to <Z.

m<T = m<X = 63.1°

m<U = m<Y

m<V = m<Z = 76.5°

m<X + m<Y + m<Z = 180°

63.1° + m<Y + 76.5° = 180°

m<Y + 139.6° = 180°

m<Y = 40.4°

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6*13+6*7=6*(13+7)

Step-by-step explanation:

The distribitive propierty states that the multiplication of a number by a sum is equal to the sum of the multiplications of that number by each of the addends:

a*(b+c)=a*b+a*c

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6*(13+7)=6*13+6*7

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3 years ago
Need Help Please Answer asap anyone
balandron [24]
It is the D answer. 

Even though I cannot see the second equation, I know that this must be it. It is the only set of equations that properly states that she must work less than 15 hours combined (b + t) 
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RATING BRAINLIEST Which of the following demonstrates the Distributive Property?
ra1l [238]

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Step-by-step explanation:

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2 years ago
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the sum of two numbers is zero. when 15 times the smaller numbers is added to 10 times the larger, the result is 1. find the two
EleoNora [17]

We have two numbers say a, b. And a system of equations.

a+b=0\wedge\dfrac{a+b}{15}+10(a+b)=1

It looks a bit intimidating but it's actually very easy.

Instead of term a + b in the second equation we can say it's zero because the first equation describes a + b as being equal to 0.

So,

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The above equation is not true therefore numbers a and b do not exists in the real number domain.

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7 0
3 years ago
What is the equation of the line? Write in standard form. (4,5).
dezoksy [38]

Answer:

\large\boxed{5x+4y=20}

Step-by-step explanation:

The equation of a line in slope-intercept form:

y=mx+b

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We have the x-intercept = 4 → (4, 0), and y-intercept = 5 → b = 5.

Therefore we have the equation:

y=mx+5

Put the coordinates of x-intercept to the equation:

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Finally we have the equation of a line if slope-intercept form:

y=-\dfrac{5}{4}x+5

The standard form:

Ax+By=C

Convert:

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4y=-5x+20               <em>add 5x to both sides</em>

5x+4y=20

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