All categories

3 years ago

PLEASE HELP ASAP I REALLY NEED IT

Mathematics

2 answers:

34kurt3 years ago

4 0

Answer: 416

Step-by-step explanation:

The area of a trapezoid is h(a+b)/2. So 16(14+38)/2 = 416

yanalaym [24]3 years ago

4 0

Answer:416 square centimeters

Step-by-step explanation:

You might be interested in

Determine the slope of a line that contains the points (6,7) and (5,1)

Ronch [10]

Answer:

A) 6

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (6, 7)

Point (5, 1)

Step 2: Find slope m

Substitute: $m=\frac{1-7}{5-6}$
Subtract: $m=\frac{-6}{-1}$
Divide: $m=6$

3 0

3 years ago

Read 2 more answers

HELP PLEASE???!!!!!!!

Fiesta28 [93]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=\dfrac{3}{4}x-12&(1)\\y=-4x-31&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\\dfrac{3}{4}x-12=-4x-31\qquad\text{multiply both sides by 4}\\\\3x-48=-16x-124\qquad\text{add 48 to both sides}\\\\3x=-16x-76\qquad\text{add}\ 16x\ \text{to both sides}\\\\19x=-76\qquad\text{divide both sides by 19}\\\\x=-4\\\\\text{Put it to (2):}\\\\y=-4(-4)-31\\y=16-31\\y=-15$

7 0

4 years ago

Jonathan had a balance of $120 dollars in his bank account at the beginning of the month. During the first week of the month he

tiny-mole [99]

Answer:

$47

Step-by-step explanation:

$120 starting out and he spent $45 + $28 of that $120

so 120-45+28=47

7 0

3 years ago

Martha is a salon owner. Yesterday, she did 5 haircuts and colored the hair of 2 clients, charging a total of $421. Today, she d

Vanyuwa [196]

Answer:

I'm not sure if I got this correct but here's my answer. Martha charges $60.14 for a haircut and she charges $77.66 for hair coloring.

4 0

3 years ago

Y= 12 - 4.5x what’s the slope

mestny [16]

What you do is move the equation around so the 12 -4.5x would now turn into y=-4.5x+12

6 0

4 years ago