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3 years ago

Help me please as soon as possible

Mathematics

1 answer:

Sindrei [870]3 years ago

6 0

Answer:

BC with the arrow going towards the right

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PLEASE HELP, I'LL MARK BRAINLY (EASY)!

vfiekz [6]

For 1. The answer is “x = 4”
Explanation: 5 X 4 = 20 and 4 - 3 = 1
By adding all equal sides together the sum is 42 so x is 4

5 0

3 years ago

Define a variable and write an equation to model each situation. Then solve. Show your work. Tickets to the county fair for four

Citrus2011 [14]

If x is the childrens ticket
$4(x + 1.5) + 5x = 33.30 \\ 4x + 6 + 5x = 33.3 \\ 9x = 33.3 - 6 \\ 9x = 27.3 \\ x = \frac{27.3}{6} \\ x = 4.55$
so that means that the adults ticket is
$x + 1.50 = 4.55 + 1.50 = 6.05$

4 0

3 years ago

Given the diagram below, Hannah writes m 1+ m 4 = 180°, m 2 + m 5 = 180°, and m 3+ m 26 = 180°. Which of the following reasons a

Paladinen [302]

Answer:

A. Definition of linear pair

Step-by-step explanation:

A linear pair of angles is formed when two lines intersect. Since angle on a straight line = 180°, angles of a linear pair sum up to 180°.

angles 1 and 4, angles 2 and 5, angles 3 and 6 are all linear pairs. Each pair = 180°.

4 0

4 years ago

Cheryl is buying lace for her dance costume. One foot of lace costs 3 dollars. How much does each amount cost? 3/4 of a foot?

Dima020 [189]

Step-by-step explanation:

one foot cost 3 so a fourth of one foot is one fourth of three which is .75 and .75 x 3 is 2.25

6 0

3 years ago

A right triangle with integer sides has area equal to 30. What is the length of its hypotenuse.

kozerog [31]

We have been given that a right triangle with integer sides has area equal to 30. We are asked to find the length of hypotenuse of right triangle.

We know that area of triangle is half the product of its base length and height.

Since our given triangle is a right triangle, so its base and height will be legs of right triangle.

$\frac{1}{2}\cdot\text{Base}\times \text{Height}=\text{Area}$

$\frac{1}{2}\cdot\text{Base}\times \text{Height}=30$

$\frac{1}{2}\cdot 2\cdot\text{Base}\times \text{Height}=30\cdot 2$

$\text{Base}\times \text{Height}=60$

This means that product of two bases is 60.

Now we need to find two multiples of 60 such that they are make a right triangle.

Multiples of 60:

1, 60

2, 30

3, 20

4, 15

5, 12

6, 10

We know that (5, 12 and 13) is a Pythagoras triplet.

$5^2+12^2=13^2$

$25+144=169$

$169=169$

Therefore, the hypotenuse of right triangle is 13 units.

8 0

3 years ago