Answer:
2/3 lies between 0 and 1 on the number line.
Step-by-step explanation:
2/3 is a positive rational number, and it is known that 2/3 is less than 1 and greater than 0.
Solve the system of equations:
2x + 3y = 10
x - 2y = -2
(2,1)
(0,1)
(0,2)
(2,2)
No solution
Answer:
(2,2)
Step-by-step explanation:
2x+3y=10
x−2y=−2
In order to solve by elimination, coefficients of one of the variables must be the same in both equations so that the variable will cancel out when one equation is subtracted from the other.
2x+3y=10,x−2y=−2
To make 2x and x equal, multiply all terms on each side of the first equation by 1 and all terms on each side of the second by 2.
2x+3y=10,2x+2(−2)y=2(−2)
Simplify.
2x+3y=10,2x−4y=−4
Subtract 2x−4y=−4 from 2x+3y=10 by subtracting like terms on each side of the equal sign.
2x−2x+3y+4y=10+4
Add 2x to −2x. Terms 2x and −2x cancel out, leaving an equation with only one variable that can be solved.
3y+4y=10+4
Add 3y to 4y.
7y=10+4
Add 10 to 4.
7y=14
Divide both sides by 7.
y=2
Substitute 2 for y in x−2y=−2. Because the resulting equation contains only one variable, you can solve for x directly.
x−2×2=−2
Multiply −2 times 2.
x−4=−2
Add 4 to both sides of the equation.
x=2
The system is now solved.
x=2,y=2
Correct choice is D) 2,2
Sarah made $180 for 12 hours of work. At the same rate, how much would he make for 17 hours of work?
Answer:
1260
Step-by-step explanation:
180 x 2
How many grams is 3.3 mole of Mg(OH)2 ?
Answer: m = 3.3 mol·58.326 mol = 192 g
Step-by-step explanation: molar mass of substance is
M= (24.31+ 2·1.008 + 2·16) g/mol = 58.326 g/ mol.
Amount of substance n = m/M and mass m = n·M
ANSWER BELOW I WILL MARK BRAINLIEST!! :)
Answer:
brainliest please?
:) <3
Step-by-step explanation:
3 goes to A
1 goes to B
6 goes to C
5 goes to D
and 8 goes to E
what is the volume of this cone
Answer:
160/3π
Step-by-step explanation:
π ·r² · h/3
π · 4² · 10/3
π · 16 · 10/3
= 160/3 π
Ms. Good has a bag of 15 marbles. Three are blue, six are red, and six are yellow. What is the probability that she picks a yellow and then a red if she does NOT replace the marbles?
Question 7 options:
A. 6/35
B. 1/8
C. 16/25
D. 1/36
Answer:
the chances of her picking a yellow one is 6 in 35
Step-by-step explanation:
Pls help plsssssss thanks
Answer:
1. 99.33
2. 96
please help asap!!
have a good day
Answer:
60
Step-by-step explanation:
Because there are 4 different trim levels, 5 different colors, and 3 different interiors, you have to multiply 4 x 5 x 3.
4 x 5 x 3= 60
NEED THIS QUESTION WUICK PLEASE
option three, I think
[tex]3 \sqrt[3]{4} [/tex]
PLEASE HELP ASAP!!!!
Answer:i dont see anything
Step-by-step explanation:
A square has the area of 25 square inches. What is that perimeter of a triangle with all equal sides if each of its sides is twice as long as the side of the square?
Answer: 30 inches
Step-by-step explanation:
The sides of the square are equal and so if the area is 25 inch², each side can be acquired by square rooting that figure:
= √25
= 5 inch per side for the square
Each side of the triangle is twice as long as a side of the square:
= 5 * 2
= 10 inches
There are three sides to a triangle so the perimeter is:
= 10 * 3
= 30 inches
What are the steps to solving the equation: -3w+9= -12
Answer:
Simplify each side of the equation by removing parentheses and combining like terms.
Use addition or subtraction to isolate the variable term on one side of the equation.
Use multiplication or division to solve for the variable.
Step-by-step explanation:
Answer:
Solution
= −7
Step-by-step explanation:
3 + 9 = − 12
3 + 9 − 9 = − 12 − 9
Subtract the numbers
Subtract the numbers
3 = − 21
Divide both sides of the equation by the same term
3 = − 21
3/3 = −21/3
Solution
= −7
Solve for t: t + 7 = 21 A. t = 28 B. t = 14 C. t = -28 D. t = -14
Answer:
B t= 14
Step-by-step explanation:
t + 7 = 21
collect like terms
t = 21 - 7
t = 14
GIVING AWAY 30 POINT IF YOU HELP!!!!!
A set of art pencils is 20% off the original price. The sale price of the set is $24. Find the original price of the pencil set, plus 8% sales tax. What is the new cost?
Answer:
19.04$
Step-by-step explanation:
In ARST, r = 530 cm, s = 530 cm and t=950 cm. Find the measure of T to the
nearest 10th of a degree.
Answer:
127.3
Step-by-step explanation:
T≈127.333≈127.3
∘
Based only on the information given in the diagram, which congruence
theorems or postulates could be given as reasons why ADEF= AKLM?
Check all that apply.
AA
O A. LA
ОВ. НА
O C. AAS
D. SAS
E HL
F.LL
=================================================
Explanation:
LA stands for Leg Angle. More specifically, the angle is an acute angle. This theorem only works for right triangles. We see that ED = LK which is one pair of congruent leg segments. So that takes care of the L part of LA. However, we don't know anything about the acute angles. We don't know if angle E = angle L, or if angle F = angle M, or something along those lines. We need angle markers to tell us or not.
In short, we only have half the info needed for LA, so we must cross choice A off the list.
----------------
HA stands for hypotenuse angle, or hypotenuse acute angle, and this rule only applies for right triangles. We don't know anything about the hypotenuse lengths if they are the same or not.
Similar to choice A, we don't know anything about the acute angles either.
Those two facts mean we must cross off choice B.
----------------
AAS stands for Angle Angle Side. The order is important because the side is not between the angles. The diagram only shows one pair of angles that are congruent to one another. That pair being the 90 degree angles indicated with the square marker. We don't have another pair of angles, so we cannot use AAS.
Cross choice C off the list.
-----------------
We can use SAS because we have two pairs of congruent sides and one pair of congruent angles.
The congruent sides are
ED = LK (double tickmarks)DF = KM (single tickmarks)That takes care of the two "S"s of "SAS". The "A" would be those two right angles which are congruent to one another. The angles are between the congruent sides which is important. Recall that SSA is not a valid congruence theorem.
So that's why choice D is the only answer.
-----------------
Side note: We could use the LL theorem, where L stands for leg, since we are given two pairs of congruent legs for each triangle. Like LA and HA, this only applies to right triangles. LL is a special case of SAS. However, LL isn't listed so we'll just be sticking with SAS as the only answer.
PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!
Answer:
DE/DF, D
Step-by-step explanation:
no explanation, it's a law
What is the example of ratio?
Answer:
Step-by-step explanation:
f there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six (that is, 8∶6, which is equivalent to the ratio 4∶3). Similarly, the ratio of lemons to oranges is 6∶8 (or 3∶4) and the ratio of oranges to the total amount of fruit is 8∶14
Hellllllllllllllllllllp
Answer:
B would be your answer worked for me.
Step-by-step explanation:
(3RD TIME POSTING THIS!)
10.Solve the inequality
r + 0.2 < 0.7
Answer:
r can be any number so would it not be:
r + 0.2 ≤ 0.7
Step-by-step explanation:
This should not be too hard but I haven't done inequalities in a long time. So this might or not be the answer.
While eating dinner, Marian ate 25% of the apple slices she had in her bag. There were 20 apple slices in her bag. How many apple slices did Marian eat?
Answer:
She ate 5 apple slices
Step-by-step explanation:
25% of 20 is 5.
That means if she ate 5 slices, she ate 25% of the apple slices.
Hope this helped! Please give brainliest if it did help!
Answer:
5
Step-by-step explanation:
25% of 20 is 5
The time in minutes for each of Sam's phone calls this week are shown in the list. {9, 15, 5, 7, 9, 12, 11, 4} Which statement is true regarding the duration of his calls? A. The median is greater than 10. B. The mean is less than 8. C. The range is less than 10. D. The mode is greater than 7.
Answer: The mode is greater than 7.
Step-by-step explanation:
The time in minutes are given as 9, 15, 5, 7, 9, 12, 11, 4. We can arrange them in ascending order and this will be:
= 4, 5, 7, 9, 9, 11, 12, 15
Mean = (4 + 5 + 7 + 9 + 9 + 11 + 12 + 15) / 8 = 9
Median = 9+9/2 = 18/2 = 9
Mode = 9
Range = 15 - 4 = 11
Therefore, the true statement are:
D. The mode is greater than 7.
What is the area of the triangle?
11
A
14
4
Answer:
I think the answer is 28, which you can find by multiplying 4 by 14 and dividing it by 2.
pls help asap thankyou
Answer:
The slope of the line would be a. 0.
Answer:
im bad at math but i would guess the asnswer is 0. :)
Step-by-step explanation:
1. Which of the following is a right triangle?
A.A piece of steel with sides 2 meters, 4 meters, and 5 meters,
B.A stained-glass window with sides 8 inches, 15 inches, and 20
inches.
C.A garden with sides 12 feet, 34 feet, and 37 feet.
D.ceramic tile with sides 20 centimeters, 21 centimeters, and 29
centimeters.
Answer:
c
Step-by-step explanation:
Answer:
D 20,21,29
Step-by-step explanation:
1. Rewrite the equation 5(x - 3) = x + 13 with 6 substituted for x. Write a
question mark over the equal sign to show that you're testing to see if the
equation is true
2. Simplify both sides. Show your work.
3. Is x = 6 a solution to the equation? Why or why not?
4. Find a value of x that is a solution to 5(x - 3) = x + 13. Describe how you
found the solution
Answer:
Step-by-step explanation:
5(6-3)=6+13 -simplify
30-15=6+13
15=19
x doesnt equal 6
5(x-3)=x+13
5x-15=x+13
4x=28
x=7
4x=28
4(7)=28
28=28
How do I find what 7x-3y=29 7x-6y=23 is?
Answer:
You graph each equation, then you find the intercepting point. the location of that point is the answer. You can also do it in equation form.
The function, f(x) = sec(x), is plotted below.
On a coordinate plane, parabolas repeat. A parabola opens up approaches StartFraction pi Over 2 EndFraction, has vertex (0, 1), and approaches StartFraction pi over 2 EndFraction. The parabola flips over the x-axis at every measure of pi.
For which values of x is the limit positive infinity when x approaches the values from the left?
Negative StartFraction 3 pi Over 2 EndFraction
Negative StartFraction pi Over 2 EndFraction
0
StartFraction pi Over 2 EndFraction
StartFraction 3 pi Over 2 EndFraction
Answer:
OPTION ONE
and
OPTION FOUR
Step-by-step explanation:
100% correct edge
do not pick a and b as its not B !!!!
The value of x is the limit positive infinity when x approaches the values from the left the options one and four is correct.
We have given that,
The function, f(x) = sec(x), is plotted below.
On a coordinate plane, parabolas repeat.
What is the limit?
The limit is a value that a function (or sequence) approaches as the input (or index) approaches some value.
A parabola opens up approaches StartFraction pi Over 2 EndFraction, has vertex (0, 1), and approaches StartFraction pi over 2 EndFraction. The parabola flips over the x-axis at every measure of pi.
We have to determine the value for which values of x is the limit positive infinity when x approaches the values from the left.
from the graph, we have options one and four is correct.
To learn more about the graph visits:
https://brainly.com/question/4025726
#SPJ2
ALGEBRA 2 HELP!!!!!!!!
Answer:
domain: (-∞ , ∞) ; range: f(x) ≥ 3
Step-by-step explanation:
domain: (-∞ , ∞) ; range: f(x) ≥ 3
Solve the inequalities and compare.
oso
a. Solve 2x + 6 < 10.
b. Solve - 2x + 22 < 18.
Answer:
2
Step-by-step explanation:
1 Subtract 66 from both sides.
2x=10-6
2x=10−6
2 Simplify 10-610−6 to 44.
2x=4
2x=4
3 Divide both sides by 22.
x=\frac{4}{2}
x=
2
4
4 Simplify \frac{4}{2}
2
4
to 22.
x=2
x=2
Done
2x+22=18
We move all terms to the left:
2x+22-(18)=0
We add all the numbers together, and all the variables
2x+4=0
We move all terms containing x to the left, all other terms to the right
2x=-4
x=-4/2
x=-2