Answer:
Step-by-step explanation:
2x-6+3x+5+2x+20=180
7x=180-19=161
x=161/7=23
angles are 2×23-6,3×23+5,2×23+20
or 40,74,86
smallest angle=40°
(fill in the blanks)
Lines that intersect at a 90° angle called_____lines.
Lines that never intersect are called_____lines.
PLEASE HELP!
how many us dollars are there in 7 euros
Answer:
8.58
Step-by-step explanation:
Brainliest plz
HELP HELP MEEEEE HELPPPPPPPPPPPPPPPPPPP
Answer:
Add your brain then get smart
Shannon spent the day at the mall. She spent $5.75 on earrings and 4 times that amount on a shirt. After shopping, she came home with $7.75 in her wallet. How much money did she take to the mall originally?
A.
$21.00
B.
$28.75
C.
$30.75
D.
$36.50
Consider the polynomial operation 3x(x − 2)(5x + 2). Is the expression equivalent? Select Yes or No for A‐D.
Answer:
see attached
Step-by-step explanation:
3x(x − 2)(5x + 2)
(x − 2)(5x + 2) expand5x² - 8x - 43x ( 5x² - 8x - 4) expand15x³ - 24x² - 12xUranus is 19.2 AU. How many miles apart is Uranus from the Sun?
Answer:
Uranus distance from the sun is 1.79 billion miles.
Hope it helps :)
Step-by-step explanation:
can someone please help :/? the question is in the picture
Answer:
I'm pretty sure the answer is B
Given f(x) =5 - 3x, if f(x) = -19, find x
i give brainlilset nxgbkj,m.d/ed
q
Write an equation that represents the line
Answer:
y = -2x - 3
Step-by-step explanation:
First, find slope (m) of the line using two points (0, -3) and (1, -5):
[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{-5 -(-3)}{1 - 0} = \frac{-2}{1} = -2 [/tex]
The line intercepts the y-axis at y = -3. Therefore the y-intercept (b) of the line = -3.
To write the equation that represents the line, substitute m = -2, and b = -3 into y = mx + b.
Thus:
y = -2x + (-3)
y = -2x - 3
please help i’m lost on this question!!!
Answer:
maybe the first one sorry if its wrong
Step-by-step explanation:
how to answer this. help me
Answer:
fsfsgsgsgsgsgsgsgsgsgssgsgsgsgsgegeveg
¿el numero 2 es numero primo o compuesto?
Whats the value? 2x+2 + 2x+10 =90
Answer:
x=19.5 or 19 1/2
Step-by-step explanation:
To find what x is we need to get x on one side of the equal sign with the numbers on the other side, but first, we need to add the same variables and numbers together.
Add:
4x+12=90
Move the 12 to the other side by subtracting 12 on both sides (You use the inverse of what you want to move to the other side)
4x+12-12=90-12
4x=78
Divide:
You need to divide 4x by 4 (Since 4x is the same thing as 4*x you need the inverse of multiplication to reverse it which is division)
x=19.5 or 19 1/2 (Since 1/2 is the same thing as 0.5)
i really need help pls help
Another name for plane X is plane ?
Need help first to answer gets brainliest
Answer:
a
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
lowest x is -1 ant farthest is 4.
Fill in the blank to solve the expression!
-(-8) = ____
Answer:
The answer is 8
Step-by-step explanation:
Multiply -1 by -8
The average attendance at a local high school's football games went down from 1800 people in 2003 to
500 people in 2004. What was the percent decrease in attendance at the football games?
Step-by-step explanation:
%decrease = 1800 - 500 * 100
__________
1800
%decrease = 1300/1800 * 100
% decrease = 72.2%
Average attendance in 2003 = 1800
Average attendance in 2004 = 500
Decrease in attendance = 1800 - 500 = 1300
Decrease percentage in attendance
[tex] = \frac{1300}{1800} \times 100[/tex]
[tex] = \frac{13}{18} \times 100[/tex]
[tex] = \frac{13}{9} \times 50[/tex]
=72.22
Write the equation of the line that goes through
the points (-3, -2) and (4, 5).
Find the slope m.
Use the point-slope formula.
Solve for y.
1. Identify the potential problem(s) involved with generating or collecting valid data.
A. Cost
B. Bias
C. Error
D. Access to data
E. All of the above
F. None of the above
2. What problem does hypothesis testing attempt to manage?
A. Confirmation bias
B. Unconscious bias
C. Random sampling error
D. Coverage error
E. All of the above
F. None of the above
Answer:
1. E. All of the above
2. A. Confirmation bias
Step-by-step explanation:
Data is collected for different reasons by various individuals and groups. Collecting data consumes time and can be very costly. In most cases, human error can lead to error in the dataset collected and bias in the information given.
Hypothesis testing is the theory or process of comparing a hypothesis with a null hypothesis. The null hypothesis is rejected only if the probability of the fall below the specified level of significance, thereby accepting the hypothesis which is said to be in the level of significance.
20 Points!!! Lisa writes 15 pages of a research paper. If she has written 75% of her goal, what is the total number of pages that she wants to write?
Answer:
I believe that her goal is 20 pages because 75% of 20 is 15.
Step-by-step explanation:
The definition of similarity in terms of similarity transformations states that two figures are
similar if and only if there is a compositon of rigid motion and dilation that maps one figure to
the other. Suppose triangle ABC~triangle DEF. Explain how this definiton ensures:
1. The equality of all corresponding pairs of angles.
2. The proportionality of all corresponding pairs of sides.
PLEASE HELP
How many solutions does this equation have?
x + 3 = 2x + 4
A.
Infinite solution
B.
Two solution
C.
One solution
D.
No solution
Answer:
C
Step-by-step explanation:
On a family road trip, Mr. Peters travels 130 miles in 2 hours. At this rate, how many miles will he travel in 30 minutes? (HINT - turn 30 minutes into 1/2 an hour or a decimal 0.5 hours)
Answer:
15 miles in 30 minutes
Step-by-step explanation:
130/2=65 miles per hour
30/2=15
eric mows 1/5 acre in 1/4 hour. how many acre does paige mow per hour
Answer:
2/3
Step-by-step explanation:
Evaluate: 10/ 12 • 2/ 3
Answer:
10/ 12 x 2/ 3 = 10/ 12 x 8/ 12 = 80/12 = 6 8/12
Pls mark brainliest, (Plz correct me if wrong)
Step-by-step explanation:
Please give me the correct answer
Answer:
8 x 10 ^-8
Step-by-step explanation:
Answer:
8x10^-8
Step-by-step explanation:
You buy a winter jacket on sale for 40% off. You pay $54 for the jacket. What was the original cost? Show your work.
Answer:
original cost is 135$
Step-by-step explanation:
100%×54$÷40%= 135
X = 10 and y = -2, what is the value of the expression
9x-3y+8xy-3
A -61
B -67
C 241
D-79