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madam [21]
3 years ago
15

Which expression is equivalent to 15 – 5x?

Mathematics
1 answer:
ahrayia [7]3 years ago
3 0

Answer:

15 - 5x = 5 · 3 - 5 · x = 5(3 - x)

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This is the back side of the paper
vodomira [7]

Answer:

The answers are given below.

Step-by-step explanation:

8) A) acute               9) C) acute                  10) D) right                 11) B) acute  

12) A) straight          13) A) acute               14) D) right                     15) C) ∠L

16) B) ∠HIG               17) B) ∠DEC              18) B) ∠K                         19) C) ∠G

20) C) ∠KLJ

We know that ,

1. when 0° < θ < 90°, θ is acute.

2. when  θ = 90°  θ  is right

3. when 90° < θ < 180°, θ is obtuse

4. when  θ = 180°  θ  is straight

6 0
3 years ago
If you get it right I will give a brainlist
leva [86]

Answer:

Flour 5, 10, 15, 20

Sugar 4, 8, 12, 16

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Without drawing the graph of the equation, determine how many points the given equation have in common with the x-axis and where
Gala2k [10]
Remark
It's asking you to complete the square to find the vertex. 

Solve
y = -2x^2 + x + 3 Put brackets around the first 2 terms.
y = (-2x^2 + x) + 3    Pull out the 2.
y = -2(x^2 - 1/2 x) + 3 Be especially observant of the sign on 1/2x Divide the middle term's number by 2 and square it. 
y = -2(x^2 - 1/2 x + [(1/2) / 2]^2 ) + 3 [1/2 divided by 2 is 1/4. (1/4)^2 = 1/16; 2*(1/16) = 1/8
y = - 2(x^2 - 1/2 x + (1/4)^2 ) + 3 + 1/8
y = -2(x - 1/4)^2 + 3 1/8

Comment
Answer to your question. The maximum value (3 1/8) is above the y axis. That means the graph of the equation crosses the x axis twice. I'm going to include the graph because in answering the question, there is no harm in seeing the graph.

4 0
3 years ago
Johnny invests $8000 in a bank account that obtains a simple interest rate of 4% per year.
horsena [70]

Answer:

Write full question??what should we find in that question

3 0
2 years ago
Please help me find the area for this hexagon (please show work to) ,:)
kvasek [131]

Check the picture below.

so the area of the hexagon is really just the area of two isosceles trapezoids.

\textit{area of a trapezoid}\\\\ A=\cfrac{h(a+b)}{2}~~ \begin{cases} h=height\\ a,b=\stackrel{parallel~sides}{bases}\\[-0.5em] \hrulefill\\ a=2\\ b=4\\ h=2 \end{cases}\implies \begin{array}{llll} A=\cfrac{2(2+4)}{2}\implies A=6 \\\\\\ \stackrel{\textit{twice that much}}{2A = 12} \end{array}

4 0
2 years ago
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