Answer:
3
Step-by-step explanation:
Evaluate y = 2x + 1 when x= -1
Answer:
y = -1
Step-by-step explanation:
We Know:
y = 2x + 1, and x= -1.
Substitute:
y = 2(-1) + 1
Multiply:
2 * -1 = -2
y = -2 + 1
Add:
-2 + 1 = -1
So,
y = -1.
If a temperature is 2 °C and falls by 7 °C, what is the new temperature?
Answer:
-5 degrees C
2 degrees C minus 7 degrees C
hope this helps you
help reertertewrtewrtetewtwretw5trt
Answer:
C is the answer
Hope I helped
what is the value of tan360°?
Answer:
tan360°= 0
I hope this helps you
Answer:
please mark as brainliest
Step-by-step explanation:
tan360°
= cot (90°-360°) = cot -270°
-tan360°
= tan (-360°) = -tan 360°
= cot (90°+360°) = cot 450°
= tan (180°-360°) = tan -180°
Review the function equation below.
y = −9x + 3
Enter the y-intercept of the function in the box.
What is the solution to this equation?
3(n - 9) - 2011 + 4) = 6n2
Write an equation of the line that passes through the points (0, –5) and (4, 7).
The following is an example of what type of sequence? 3, 11, 19, 27, 35...
a geometric
C. ratio
b. arithmetic
ddifference
B....................
Answer:
b. Arithmetic .
Step-by-step explanation:
b because to get the next term you add 8.
What value of x makes the equation below true? -26 = 60 + x
Answer:
x = -86
Step-by-step explanation:
60+ (-86)= -26
Answer:
x = -86
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define Equation
-26 = 60 + x
Step 2: Solve for x
Subtract 60 on both sides: -86 = xRewrite: x = -86Step 3: Check
Plug in x into the original equation to verify it's a solution.
Substitute in x: -26 = 60 - 86Subtract: -26 = -26Here we see that -26 does indeed equal -26.
∴ x = -86 is the solution to the equation.
Easy question? Please help I’ll give brainliest! :( Please provide small explanation like instructions it’s okay if not though
Answer: Ok so what i'v got for this one is that i averaged up all three numbers and i got an average of about 85%. Now you have to put in a fourth number which will actually be another 80% i believe
Step-by-step explanation: add up all 3 divide them all by the numbers then once your done with that plug in the 80% and see what your answer will be.
true or false ? losing time
Answer:
FalseStep-by-step explanation:
[tex]--------------------------------------------[/tex]
The order in which we complete an operation is NOT optional. This is because if we do addition or subtraction first, ( which is usually at the end of PEMDAS ) the answer ( even if it looks right ) will always be wrong. Always remember, if you don't do the regular PEMDAS, it will always be wrong.
[tex]--------------------------------------------[/tex]
Hope this helps! <3
[tex]--------------------------------------------[/tex]
Factorise the expression 6x^2-13x+6 and hence solve the equation 6x^2-13x+6=0
Answer:
Part A
The factored form of the expression, 6·x² - 13·x + 6 is (2·x - 3) × (3·x - 2)
Part B
The solution of the equation 6·x² - 13·x + 6 = 0 are x = 3/2 or x = 2/3
Step-by-step explanation:
Part A
The given expression to factorize is 6·x² - 13·x + 6, which can be written as follows;
6·x² - 13·x + 6 = 6·x² - 4·x - 9·x + 6
The 13·x is split at - 4·x - 9·x
6·x² - 4·x - 9·x + 6
2·x·(3·x -2) - 3·(3·x - 2)
Bringing out the common factor (3·x - 2) gives;
(2·x - 3) × (3·x - 2)
Therefore, the expression 6·x² - 13·x + 6 in factored form is (2·x - 3) × (3·x - 2)
Part B
Solving the equation, 6·x² - 13·x + 6 = 0, therefore gives;
6·x² - 13·x + 6 = (2·x - 3) × (3·x - 2) = 0
Therefore, either (2·x - 3) = 0 and x = 3/2 or (3·x - 2) = 0 and x = 2/3
From which we have 6·x² - 13·x + 6 = 0 when x = 3/2 or 2/3 and x = 3/2 or x = 2/3 are the solution of the equation 6·x² - 13·x + 6 = 0.
What is the solution set for -4x - 10 <2?
Answer:
x>-3
Step-by-step explanation:
-4x<12
x>12/-4
which of these is a composite number? 4 2 6 8
Step-by-step explanation:
4,6 and 8 are composite numbers
and 2 is an prime number
hope it helpful
Answer:
4 , 6 , & 8 are composite numbers
GIVING BRAINLIEST ONCE AGAIN
Answer:
45
Step-by-step explanation:
divide 25 by 5 to see how they got that, which is 5. then multiply 9 by 5 bc you have to do the same thing, which is 45.
Answer:
5:9 = 25:45
Step-by-step explanation:
A bag contains 4 orange marbles, 2 yellow marbles, and 9 red marbles. Which of the following best describes the probability of choosing a red marble from the bag?
Likely
As likely as not
Unlikely
Impossible
Answer:
very likely
Step-by-step explanation:
Most of the marbles in the bag are red so that's why it's likely.
Answer: The answer would be likely
Step-by-step explanation:
justin wants to buy shorts that cost $35 and some shirts that are on sale for $22 each. He has $95 to spend. Write an inequality to find the number of shirts he can buy
Sammi believes that 0.3 repeating is a rational number. Is Sammi correct?
Answer: Yes, Sammi is correct because although it is repeating, it is expressible as a ratio of 2 integers.
I hope this helps!
Step-by-step explanation:
Add.
92 +53
Enter the correct answer in the box.
Answer:
145
Step-by-step explanation:
Determine the equation of a circle with a center at (–4, 0) that passes through the point (–2, 1) by following the steps below. Use the distance formula to determine the radius: d = StartRoot (x 2 minus x 1) squared + (y 2 minus y 1) squared EndRoot Substitute the known values into the standard form: (x – h)² + (y – k)² = r². What is the equation of a circle with a center at (–4, 0) that passes through the point (–2, 1)? x2 + (y + 4)² = StartRoot 5 EndRoot (x – 1)² + (y + 2)² = 5 (x + 4)² + y² = 5 (x + 2)² + (y – 1)² = StartRoot 5 EndRoot
Answer:
Radius length: √5
Standard Form (Equation): (x + 4)^2 + y^2 = 5
Step-by-step explanation:
First we will determine the radius;
Center: (-4, 0)
Point on Circumference: (-2, 1)
d = √(-2 - (-4))^2 + (1 - 0)^2 = √(2)^2 + (1)^2
= √4 + 1 = √5
Therefore the radius is of length √5
Now the equation of a circle is in the form ((x - h)^2 + (y - k)^2) = r^2. The center is in the form (h,k) and r is the radius. Given this our equation would be (x - (-4))^2 + (y - 0)^2 = (√5)^2, or [simplified] (x + 4)^2 + y^2 = 5.
Answer:
its C. (x + 4)² + y² = 5
Step-by-step explanation:
edge
The numbers 32 and 12 are each rounded to the nearest ten and then multiplied to estimate the product. What is the
best estimate of 32 x 12 based on this method?
0 300
O 384
O 400
O 424
Mark this and retum
Save and Exit
Next
Submit
Answer:
300
Step-by-step explanation:
if you round 32 and 12 to the nearest it would be 30 an 10 so u multiply 30 times 10 too get 300
can someone help? which triangle is the same as ABC?
Holly bought a magazine subscription for a year. She paid $27. Holly wanted to find the price, p, of the subscription each month. She created the model shown to help find this price. 27 р |р |р |р |р |р |р |р | Р | Р |р | p What was the price of the subscription each month? F $39.00 G $2.25 H $324.00 3 $22.50
Answer:
2.25 should be the right answer
A waiter had fifty-seven customers. If twenty-three left, how many customers would the waiter still have?
Answer:
34
Step-by-step explanation:
Answer:
34 customers.
Step-by-step explanation:
57-23=34
Ana decides to start a lemonade stand. She goes to the store to buy her supplies, and those cost her $50. The city of Richmond also requires anna to pay a fee of $5 per day to set up lemonade stand at the park. Write the equation for her total cost (c) in terms of (d) days.
Answer:
[tex]c=5d+50[/tex]
Step-by-step explanation:
Given that:
Supplies of the lemonade bought at price = $50
Money paid per day to setup lemonade stand at the park = $5
To find:
Equation of her total cost.
Solution:
Let the number of days = [tex]d[/tex]
Per day cost of setting up the lemonade stand is given as $5.
If the number of days are [tex]d[/tex], then the cost of [tex]d[/tex] days can be found by multiplying the per day cost with the number of days.
Therefore, the expression for cost for [tex]d[/tex] number of days = [tex]\$5d[/tex]
Total cost for [tex]d[/tex] number of days can be found by adding the cost of supplies and cost for [tex]d[/tex] number of days for setting up the stand:
[tex]c=5d+50[/tex]
someone answer please:)
I think its saying to find out what a means
12 is 20% of what number?
Answer:
60
Step-by-step explanation:
First to answer this correctly will get a brainlliest.
5 divide by 8 plus 9
Answer:
9.625
5 divided by 8= 0.625 + 9 = 9.625
Step-by-step explanation:
Answer:
9.625
Step-by-step explanation:
5/8=0.625, than add 9 to it, and have 9.625
5x-2x(x-1)=???????????????????????????????
Answer:
7x-2x"2
Step-by-step explanation:
Answer:
it is
7x-2x^2
Step-by-step explanation:
5x+2x-2x^2 = 7x-2x^2