a=15
b=23
Step-by-step explanation:
a+8=b
2a=b+7
2a=(a+8)+7
2a=a+15
a=15
1. The sum of 6 times a number n and 4 times a number n is -30.
What is the number?
2. Four less than the product of 6 and a number n is -30.
What is the number? _____
3. Four less than the product of 6 and a number n is -30.
What is the number? _____
Answer:
-3
Step-by-step explanation:
1. 6n+4n=-30
10n=-30
n= -3little confused on q2,3
The image of the point (3, -5) under a translation is (8, –4). Find the coordinates
of the image of the point (-4, -6) under the same translation.
how long does it take jesse to accelerate from rest in his car to a velocity of 180 km/h if the car accelerates at 15 km/h/s
Answer:
I think answer is 195.Is it right make me a braillent
student.
math geometry (10 points)
Answer:
100
Step-by-step explanation:
x=100
bcz vertically opposite angles
Year8 Maths(Angles)
Help me plz!!
Step-by-step explanation:
a 360/9 = 40
b 2/9 × 360 = 80
c similarly 160
d 400
number name of 6 ,04,57,981
Answer:
six crore four lakh fifty seven thousand nine hundred eighty one
What is a dichotomous key?
a tool that allows scientists to measure how much glucose is produced by plants
a tool that allows for the identification of an organism based on a series of paired statements that are based on characteristics
a tool that is used to predict the types of offspring produced when two plants are crossed
a tool that is used to measure the height of a plant
The sum of 6 and x. What is the algebraic expression?
Answer:
6+x
Step-by-step explanation:
sum means add
6+x
Hey there!
When you see/hear the word “sum” in mathematics.. it usually means “to add”.
So, we are adding 6 from the unknown number (the x-value)
Answer: 6 + x
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)
How do you write 0.583 as a fraction?
Please mark me brainliest
0.583 583/1000 58.3%
lines of latitude also called parallels do what
Answer:
Hi, there!
Lines of latitude are also called parallels because they never touch one another.
Step-by-step explanation
Circles of latitude are often called parallels because they are parallel to each other; that is, planes that contain any of these circles never intersect each other:
Simplify 7H + 2(R + 3) – 2H
Answer:
5H + 2R + 6
Step-by-step explanation:
7H + 2(R + 3) – 2H
7H + 2R + 6 - 2H
(7H - 2H) + (2R) + (6)
5H + 2R + 6
What is the area of a triangle if height is 4cm find the base also plsss help me please
Answer:
This is the formula u can use but the parameters are not complete
Step-by-step explanation:
b=2 A/h
Answer:
8 cm^2.
Step-by-step explanation:
Area = 1/2 * base * height
= 1/2 * 4 * 4
= 8.
Which equation has the same solution as x2 + 16x + 9 = -3?
Answer:
Step-by-step explanation:
x² + 16x + 9 = - 3
x² + 16x + 12 = 0
D = 16² - 4(1)(12) = 208
√D = 4√13
[tex]x_{1}[/tex] = ( - 16 - 4√13 ) ÷ 2 = - 8 - 2√13 ≈ - 15.21
[tex]x_{2}[/tex] = ( - 16 + 4√13 ) ÷ 2 = 2√13 - 8 ≈ - 0.79
Name all the angles that have v as vertex
Step-by-step explanation:
. The vertex for angle BAC, written ∠BAC, is point A. The angle can also be named as ∠CAB or by only its vertex, ∠A. W
Andres is on the tennis team. Last year he bought 7 tubes of tennis balls. The year before he bought k tubes. Each tube holds three balls.
a. Write an expression using parentheses to describe how many tennis balls Andres bought in the last two years.
b. Given that k=6, evaluate your expression using the distributive property.
Answer:
A. 7(3) + 3k = total amount of tennis balls bought in 2 years
B. 39 tennis balls
Step-by-step explanation:
B. 7(3) + 3(6)
21 + 18 = 39 tennis balls
Eileen is baking a cake in a square prism shape. The volume of the cake is 224 cubic inches, and the cake has a
height of 3.5 inches. What are the side lengths of the cake?
Answer: 8 inches
Step-by-step explanation:
224/3.5 = 64
8*8=64
8in * 8in * 3.5In = 224 cubic inches
(2x+y)^2- (y-2x)^2
pleaseee help me
i will give brainliest to correct answer
-2^6(-5x+10)=100 solve for x
Answer:
x = [tex]\frac{37}{16}[/tex]
Step-by-step explanation:
I did this before
Tutorial
Sophie went to the lake with her family. First, they spent 1
1
4
hours fishing. Then, they spent twice as much time swimming. How much time did they spend fishing and swimming in all?
Answer:
342 hours
Step-by-step explanation:
114 x 2 = 228
228 + 114 = 342
114 hours fishing
228 hours swimming
Hope this helps, please leave any questions in the comments. Thanks
ILL MARK BRAINIEST IF YOU CAN DO THIS CORRECTLY!!!
Answer:
76/100
Step-by-step explanation:
19/25 * 4/4=76/100
Is the answer C or D? Please explain as well so I can understand
Answer:
c
Step-by-step explanation:
i think it's correct and helping you
ALGEBRA 1 MATH PLEASE HELP !!!!
Answer:
g(x) = |x-10|
Step-by-step explanation:
In majority of cases, the h in an equation is the movement to the left and right. and if you subtract h, you move to the right, if you add h, you move to the left. So in this case, to move ten units to the right, you would have h=10. Because there are no other changes made to the equation, the new equation, g(x), is simply:
g(x) = |x-10|
Solve for p.
8 − 4(2p − 2) = 7 + p + 9
p =
Answer:
p = 0
Step-by-step explanation:
[tex]8 - 4(2p - 2) = 7 + p + 9[/tex]
➡️ [tex]8 - 8p + 8 = 16 + p[/tex]
➡️ [tex]16 - 8p = 16 + p[/tex]
➡️ [tex] - 8p = p[/tex]
➡️ [tex] - 8p - p = 0[/tex]
➡️ [tex] - 9p = 0[/tex]
➡️ [tex]p = 0[/tex]
COULD A KIND SOUL PLEASE PLEASE PLEASE HELP ME???!!!!!!!!!!!
triangle RST is reflected across the line y = x to form triangle R’S’T’. Find the coordinates of the points R’, S’ and T’.
show how you go the answer so I can see if it makes sense!!!
Answer:
R=(-1,2), T=(-7,4) S=(-2,8)
Step-by-step explanation:
The line y=x is a diagonal line veering to the left, since I can't draw it I'll give you a link on an actual digram of a triangle getting reflect across y=x. But, I just like to do this, if for example Q=(10,-3), I just exhange the negative sign to the left, so it would equal Q"=(-10,3) (Q" means the new modified Q).
The link thingy=https://www.quora.com/What-does-it-mean-to-reflect-over-the-y-x-line
Hopes this helps (:
7. Choose the correct answer. If there is direct variation and y= 27 when t= 4, find y when = 12.
a. 9
b. 0.56
c. 81
d. 1.78
Answer:
c
Step-by-step explanation:
Given direct variation between y and t , then the equation relating them is
y = kt ← k is the constant of variation
To find k use the condition y = 27 when t = 4 , then
27 = 4k ( divide both sides by 4 )
6.75 = k
y = 6.75t ← equation of variation
When t = 12 , then
y = 6.75 × 12 = 81
What number is 5 units to the left of 12 on the number line?
Can someone tell me the asnwer to this ASAP?
Answer:
[tex]2\sqrt{2} \\2[/tex]
Step-by-step explanation:
[tex]\sqrt{8} = \sqrt{4*2} = \sqrt{4} * \sqrt{2} = 2*\sqrt{2} = 2\sqrt{2} \\\\\sqrt[3]{8} = \sqrt{2*2*2} = 2[/tex]
Answer:
I noticed that [tex]\sqrt{8\\}[/tex] does not have 3 on it like the second one. And i wonder that the answers would be different from each other
[tex]2\sqrt{2}[/tex]
2
Consider the sequence of steps to solve the equation: 3(x − 4) + 5x = 9x − 36 Given ⇒ 3(x − 4) + 5x = 9x − 36 Step 1 ⇒ 3x − 12 + 5x = 9x − 36 Step 2 ⇒ 3x + 5x − 12 = 9x − 36 Step 3 ⇒ 8x − 12 = 9x − 36 Step 4 ⇒ 8x − 8x − 12 = 9x − 8x − 36 Step 5 ⇒ 0 − 12 = x − 36 Step 6 ⇒ −12 = x − 36 Step 7 ⇒ −12 + 36 = x − 36 + 36 Step 8 ⇒ 24 = x + 0 Step 9 ⇒ 24 = x Which property yields Step 2? A) Additive Inverse Property B) Additive Identity Property C) Addition Property of Equality D) Commutative Property of Addition
Answer:
Commutative Property of Addition
Step-by-step explanation:
3(x − 4) + 5x = 9x − 36
3x − 12 + 5x = 9x − 36 Distribute
3x + 5x − 12 = 9x − 36 Commutative Property of Addition
a2 +b2 for a=3 and b=4
Answer:
[tex] {a}^{2} + {b}^{2} \\ a = 3 \\ b = 4 \\ {3}^{2} + {4}^{2} \\ = 9 + 16 \\ = 25 \\ thnk \: you[/tex]
Answer:
Step-by-step explanation:
Which of the following is an incorrect way to label the line in the diagram below
is this the line diagram?
and if it is it's HI the second answer.
because a line is named by either using two points on the line in capital letters with an arrow on the top or by using a lowercase letter.
