Answer/Step-by-step explanation:
A. (7 x 10) = 70
(3 x -15) = -45
70 + -45 = 25
B. (2 x 10) = 20
(8 x -15) = -120
20 + - 120 = - 100
C. (5 x 10) + ( 5 x -15) or 5 x (10 + -15)
5 x 10 = 50
5 x -15 = -75
50 + -75 = -25
How do I solve y= -3x + 21 -2x +3y = 8 by substitution?
Answer:
x = 5
Step-by-step explanation:
substitute the y equation into -2x +3y =8 and you will get 5 as the solution :)
Lashonda has bought 18 pounds of dog food. She feeds her dog 2/3 pounds for each meal. For how many meals will the food last? Write your answer in simplest form.
Answer:
she have feed 26 or 27
Step-by-step explanation:
I am confused it's 26 or27
SSC's Tuatara is the fastest car in the world with 331 miles per hour
for the top speed. How fast can the car travel in miles per minute
Answer:
5.517miles/min
Step-by-step explanation:
331/1h
=331/(1*60) because 1h=60min
23, 529/23
Round to a one-digit arithmetic fact. Estimate the quotient.
Compare the quotient to the estimate
Evaluate the expression using mental math and the division algorithm.
Answer:
The given expression for the division is 23,529/23
Evaluating the expression using mental math gives;
23,529/23 = (23,000 + 230 + 230 + 23 × 3)/23 = 1000 + 10 + 10 + 3 = 1,023
Evaluating the expression using the division algorithm states as follows;
When an integer a is divided by another integer n, then we can find the numbers q and r such that a = b·q + r and a/b = q + r/b, where, b > 0, and 0 ≤ r ≤ b
Where;
q = The quotient
r = The reminder
Therefore, we have;
23,529 = 23×q + r
Given that 23 × 1029 = 25,529, we have
23,529 = 23 × 1029 + 0
Therefore, q = 1029, and r = 0
Step-by-step explanation:
Which describes the slope of the line that passes through the points (2,5) and (-4,5)?
1:negative
2:positive
3:undefined
4:zero
Can someone help I will mark as Brainliest
Answer:
4: zero
Step-by-step explanation:
It's a zero slope because it's just a straight line. There is no x, so it's a zero slope. Take a look at my work! :)
Pleaseeeee I’ll give first correct answer brainliest
Answer:
the bottom left one is right
Step-by-step explanation:
pleeaseeeeeeeeeee hellpppppp
solve 6x + 2 = 2(x + 4) - 2.
A. x= -1
B. there are infinitely many solutions
C. x= 1
D. x = -7/13
A birds nest is 12 feet above the ground. A mole's den is 12 inches below the ground. What is the difference in height of these two positions?
A. 24 In
B. 11 Ft
C. 13 Ft
D. 24 Ft
Answer:
C - thirteen feet
Step-by-step explanation:
12 feet plus 1 foot is 13
DAILY MATH QUESTIN
CAN YOU SOLVE THE PROBLEM?
Answer:
1
Step-by-step explanation:
9-3x3+1
9-9+1
=1
Answer:
1
Step-by-step explanation:
Start with the division. 3 ÷ 1/3 = 9
Now continue to add/subtract in the order it comes.
9 - 9 = 0
0 + 1 = 1
answer quick plz!
It costs $12 to attend a golf clinic with a local pro. Buckets of balls for practice during the clinic cost $3 each. How many buckets can you buy at the clinic if you have $30 to spend?
i have questions, so help is needed.
1. what is the sum of twice a number and six? in expression symbol.
2. what is eighty less than a number? in expression symbol.
3. what is twenty-eight split in half? in expression symbol.
will mark brainliest if brainly let's me!
Help me out here please find the value of x
Answer:
6. 51
7. 31
8. 20
Step-by-step explanation:
2x+8=110
2x=102
x=51
2x+x-3=90
3x-3=90
3x=93
x=31
7x+x+20=180
8x+20=180
8x=160
x=20
a triangle has the side 7+x and a side of 15 find the other side
Answer:
x = 8
Step-by-step explanation:
Well, you didn't specify if it was an isosceles triangle or if it was equal or anything so we're going to assume it is.
So since both sides are equal 7+x=15
7(-7)+x=15(-7)
x=8
Plug in 8 as x to check
7 + 8
15
Which would equal the other side.
what is the nth term for 8, 16,26,38, 52, 68, 86
The missing term is 106.
Step-by-step explanation:
The given sequence are:
8, 16, 26, 38, 52, 68, 86, ?
To find, the missing term =?
The pattern follow:
Previous number + 8, Previous number + 10, Previous number + 12, Previous number + 14, Previous number + 16, Previous number + 18,.....
16 = 8 + 8 = 16
26 = 16 + 10 = 26
38 = 26 + 12 = 38
52 = 38 + 14 = 52
68 = 52 + 16 = 68
86 = 68 + 18 = 86
Similarly,
? = 86 + 20 = 106
Hence, the missing term is 106.
This model represents an equation.
Which value of x makes the equation true?
A.
B.
C.
D.
88 x 88/22 x 11 x 11
Answer:
42592
Step-by-step explanation:
Answer:42592
Step-by-step explanation: So what you do is do 88 times 88/22 and so on :)
PLEASE HELP ME SOON pleaseeeeeee
How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation.
HELPPPPPPPPPPPPPPPP PLEASEEEEEEEEE
Answer: An equation is a mathematical statement that shows the equal value of two expressions while an inequality is a mathematical statement that shows that an expression is lesser than or more than the other. An equation shows the equality of two variables while an inequality shows the inequality of two variables.
Step-by-step explanation: Hope this helps! :D
one scenario can be that if you have less than or equal amount of money only then you can buy a certain thing......e.g : if price of a game is 40....then i should have money equal to or more than fourty to buy the game......
money>=40
Solve the equation for the indicated variable.
Answer:
Option A
Step-by-step explanation:
[tex]D=3ef^2\\[/tex]
we need to make e the subject of the formula so here goes,
On the right side 3 is being multiplied by ef^2 so when it moves to the left side it will divide
[tex]\frac{D}{3}=ef^2[/tex]
now f^2 is also being multiplied by e on the right side so when it moves to the left side it will divide
[tex]\frac{D}{3f^2}=e\\\\[/tex]
give me answers for the blank parts please ive been trying this for at least 15 minutes and i swear i will get in so much trouble if i get all these wrong
Answer:
4 , 1 and 6
Step-by-step explanation:
now ur not in trouble :)
Cindy can type 65 words per minute. David can type 75 words per minute. In 7 minutes, how many more words can David type than Cindy?
Answer:
70
Step-by-step explanation:
It's 70 because first you have multiply for Cindy's words 65×7=455 then multiple David's 75 word times 7 and you get 525. Lastly, You subtract both of their totals and get 70
Hope this helped!
PLSSSSS HELP!!
The graph below shows the price of different numbers of mats at a store: A graph is shown. The values on the x axis are 0, 2, 4, 6, 8, 10. The values on the y axis are 0, 21, 42, 63, 84, and 105. Points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84. These points are connected by a line. The label on the x axis is Number of Mats. The title on the y axis is Price in dollars. Which equation can be used to determine p, the cost of b mats? p = 10.50 + b b = 10.50 + p b = 10.50p p = 10.50b
Answer:
p = 10.50 + b b = 10.50 + p b = 10.50p p = 10.50b
Step-by-step explanation:
The values on the x axis are 0, 2, 4, 6, 8, 10. The values on the y axis are 0, 21, 42, 63, 84, and 105. Points are shown on ordered pairs 0, 0 and ..
The graph below shows the price of different numbers of mats at a store: A graph is shown. The values on the x axis are 0, 2, 4, 6, 8, 10. The values on the y axis are 0, 21, 42, 63, 84, and 105. Po - the ... 21, 42, 63, 84, and 105. Points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84.
Answer:
p = 10.50 + b b = 10.50 + p b = 10.50p p = 10.50b
Step-by-step explanation:
Hurry please (ignore this part hdhdjsfjenejfixhebrfisj)
Answer:
(-3/8) (-5/7) (-1/4) is the answer
Step-by-step explanation:
please mark me as brainliest please
Which point would be the image of (-3,-9) after a reflection over the y-axis?
(3,-9)
(-3,9)
(3,9)
(-3,-9)
Answer:
(-3,9)
Step-by-step explanation:
The x value isnt changingThe y value becomes is additional inverse
"6 reduced by a number"
Answer:
6-x
Step-by-step explanation:
In ΔWXY, the measure of ∠Y=90°, XW = 85, WY = 77, and YX = 36. What is the value of the cosine of ∠W to the nearest hundredth?
Answer:
0.91
Step-by-step explanation:
Solve the following inequality.
-4(1 - 5a) > -124
Answer:
a>−6
Step-by-step explanation:
−4(1−5a)>−124
Step 1: Simplify both sides of the inequality.
20a−4>−124
Step 2: Add 4 to both sides.
20a−4+4>−124+4
20a>−120
Step 3: Divide both sides by 20.
20a/20> −120/20
a>−6
Help please!! and actually try to solve it this is a test and I wanna do good
Answer:
After doing the math, I came up with B and/or C could be the answer
What does each variable in the Slope-Intercept Form equation represent?
Solve for x given 16 = 2x + 2( 4+ x)
Answer:
x=2
Step-by-step explanation:
16=2x+2(4+x). First distribute the 2 into the parenthesis (4+x):
16=2x+8+2x. Now combine the like terms:
16=4x+8. Now to get 4x by itself, subtract 8 to the left:
8=4x. Solve for x by dividing by 4:
2=x
Standard to Slope Intercept Form.
8x + 10y = 70
Please answer!
ANSWER:
y=-4/5x+7
Subtract 8x from both sides of the equation.
10=70y −8x
Divide each term by 10 and simplify
cancel the comman factor to Cancel the common factor.
which is 10
Divide y by 1
Simplify
70 -8x
y= --- + --------
10 10
write in y=mx+b form
so it y=-4/5x+7