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3 years ago

If AB + BC = AC, and A, B,and C are collinear, which of the following is true?

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

8 0

What choice of answers do you have?

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Two sides of a right triangle Measure 11 in and 15 in.

HACTEHA [7]

The sides could be 10.2 inches or 15.7 inches.

See the attached picture for the equations:

7 0

3 years ago

Bianca and Meredith are sisters. Meredith's height is 23 of Bianca's height plus 32 inches. Meredith is 60 inches tall. A girl i

jarptica [38.1K]

Answer:

Bianca's height = 42 inches

Step-by-step explanation:

Let x be the Bianca height.

Given:

Meredith height = 60 inches

We need to find the Bianca height.

Solution:

From the given statement the Meredith's height is $\frac{2}{3}$ of Bianca's height plus 32 inches, so the equation is.

Meredith's height = $\frac{2}{3}(Bianca\ height)+32$

Substitute Meredith's height in above equation.

$60=\frac{2}{3}x+32$

Now we solve the above equation for x.

$\frac{2}{3}x=60-32$

$\frac{2}{3}x=28$

By cross multiplication.

$x=\frac{3\times 28}{2}$

28 divided by 2.

$x= 3\times 14$

$x=42\ in$

Therefore, the height of the Bianca is 42 inches.

7 0

3 years ago

HELP ME I'M DOING A TEST

andrew-mc [135]

Answer:

<h2>45 songs is your answer</h2>

8 0

3 years ago

I need help please! The answer choices are:

vagabundo [1.1K]

(4^9)^5 is equal to 4^45. You multiply 9 and 5 to get 45.

5 0

3 years ago

If f(x)=3<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" align="absmiddle" class="late

Anvisha [2.4K]

Answer:

$\sf f(-3) = 23$

given:

$\sf f(x) = 3x^2 -4$

to find the output, replace x with the given integer.

solve:

$\sf f(-3) = 3(-3)^2 -4$

$\sf f(-3) = 3(9) -4$

$\sf f(-3) = 27 -4$

$\sf f(-3) = 23$

5 0

2 years ago