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hram777 [196]
3 years ago
5

F(x) = -2x^2 - 10x what is f(-5)

Mathematics
2 answers:
Tanzania [10]3 years ago
5 0

Answer:

your answer would be 0

Step-by-step explanation:

Vaselesa [24]3 years ago
5 0
0 probabyyyyyyyyyyyyy
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A number, x, is 11 less than 3 times a smaller number, y,. The sum of the numbers is 24. solve for x and y
Ymorist [56]
The numbers: x, y

x=3y-11 \\
x+y=24 \\ \\
\hbox{substitute 3y-11 for x in the second equation:} \\
3y-11+y=24 \\
3y+y=24+11 \\
4y=35 \\
y=\frac{35}{4}=8 \frac{3}{4} \\ \\
x=3 \cdot \frac{35}{4}-11 =\frac{105}{4}-\frac{44}{4}=\frac{61}{4}=15 \frac{1}{4}
8 0
3 years ago
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Margaret [11]

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3 years ago
The fee for a banquet hall is $525 for a group of 25 people and $1475 for a group of 75 people. Included in the fee is a standar
Roman55 [17]
The Answer is 20 I believe
5 0
3 years ago
Read 2 more answers
Use the place values of 35 to fill in the blanks in parentheses.Then, give the value of 2 x 35.(a) 2 x 35 = (2 x D)- (DХа 6?(b)
jonny [76]

In 35, 3 is in the tens place and 5 is in the ones place, that is,

place value of 3: 30

place value of 5: 5

This means that 35 can be expressed as 30 + 5.

Substituting 35 = 30 + 5 into the multiplication given, we get:

\begin{gathered} 2\cdot35=2\cdot(30+5) \\ \text{Distributing the multiplication over the addition:} \\ 2\cdot35=(2\cdot30)+(2\cdot5) \\ \text{ Solving each multiplication on the right} \\ 2\cdot35=60+10 \\ 2\cdot35=70 \end{gathered}

8 0
1 year ago
Which equation is the equation of a line that is perpendicular to x + 2y = 16?
AnnyKZ [126]

Answer:

y=2x-2

Step-by-step explanation:

Hi there!

Linear equations are typically organized in slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when x=0)

Perpendicular lines always have slopes that are negative reciprocals. For example, 2 and -1/2. 3/4 and -4/3.

To determine whether a line is perpendicular to x + 2y = 16, we must first determine its slope. Rearrange the given equation into slope-intercept form:

x + 2y = 16\\\\2y =-x+ 16\\\\y=\displaystyle -\frac{1}{2}x +\frac{16}{2} \\\\y=\displaystyle -\frac{1}{2}x +8

From this, we can clearly tell that the slope (<em>m</em>) of the line is \displaystyle -\frac{1}{2}.

The negative reciprocal of \displaystyle -\frac{1}{2} is 2. Therefore, the slope of a perpendicular line would be 2.

Therefore, the correct answer option would be y=2x-2.

I hope this helps!

8 0
3 years ago
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