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Burka [1]
2 years ago
12

Add 3x to 4 a. 7x b. 7 c. 34x d. 4+3x

Mathematics
2 answers:
Artist 52 [7]2 years ago
7 0
Add 3x to 4 means 3x + 4, so it’s d. 4 + 3x is the same as 3x + 4
AleksandrR [38]2 years ago
4 0
D

Please mark brainliest
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A recipe for quinoa no calls for 2 and 2/3 cups of milk Connor wants to make four batches of quinoa how much milk does he need
lisov135 [29]
Multiply the numbers

2(2/3)
2/1(2/3)= 4/3 = 1 1/3
7 0
3 years ago
Azizah got 1 for the slope of the line through 2 points (1,2) and (4,-1). Explain to her the mistake she made and how to find th
ololo11 [35]
(1,2)(4,-1)
slope = (y2 - y1) / (x2 - x1)
slope = (-1 - 2) / (4 - 1) = -3/3 = -1

the slope is -1......I am not sure of the mistake.....unless she just added (-1 - 2) and got 3 instead of -3.......or when dividing -3/3....she maybe forgot about the negative sign
5 0
3 years ago
Read 2 more answers
Find the coordinates of the vertex of the following parabola algebraically. Write your answer as an (x,y)(x,y) point.
Serga [27]

Answer:

(8,-3)

Step-by-step explanation:

The given parabola is

y =  - 3 {x}^{2}  + 48x  - 195

We factor -3 from the first two terms to get:

y =  - 3( {x}^{2}   - 16x)  - 195

Add and subtract the square of half the coefficient of x

y =  - 3( {x}^{2}   - 16x + 64)   + 3 \times 64- 195

y =  - 3 {(x - 8)}^{2}  + 192 - 195

We simplify to get:

y =  - 3 {(x - 8)}^{2}  - 3

We compare this to y=a(x-h)²+k,

The vertex is (h,k)=(8,-3)

3 0
3 years ago
Ruby plans to make 3 quilts per month until she makes 15 quilts. She figures this will take 1/5 month. Which is NOT a reason why
pashok25 [27]

Answer: c)She should have multiplied 15 by 3 instead of dividing.


Step-by-step explanation:

Number of quilts Ruby plan to make in one month= 3

which means if Ruby makes more than 3 quilts, the time will be more than 1 month.

To find the number of months to make 15 quilts, she need to divide 15 by 3

Thus, the number of months to make 15 quilts=5

Her answer was 1/5 which was absolutely wrong as if she is making 3 quilt in 1 month then in 1/5  month she would make fewer than 3 quilts.

She divides 3 by 15 instead of 15 by 3, thus but the unit is quilts not months.

Thus the only wrong option is c)She should have multiplied 15 by 3 instead of dividing.


4 0
3 years ago
Read 2 more answers
4^2•2^-3 =<br> 2<br> 1/2<br> -128
Kitty [74]
The answer is 2 because you multiply them both
3 0
3 years ago
Read 2 more answers
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