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LenaWriter [7]
3 years ago
13

Need help...........​

Mathematics
1 answer:
stepladder [879]3 years ago
6 0

Answer:

I think the answer is

6c + 240 = 1200

Step-by-step explanation:

Let me know if I was wrong.

If I was right, please click the Thanks button.

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If the flare is launched with an initial velocity of 144 feet per second, find the height after 2 seconds. The answer is not 288
Rashid [163]
H= ut -16 t^2

h = 144(2) - 16 (4)

= 288 - 64 = 224
4 0
3 years ago
Find the area of the shaded region to the nearest square unit. The base and height of the smaller shaded right
Vikentia [17]

Answer:

d

Step-by-step explanation:

let side of smaller triangle=x

x²+x²=7²

2x²=49

x=\frac{7}{\sqrt{2}} \\area ~of~smaller~triangle=\frac{1}{2} *\frac{7}{\sqrt{2}} *\frac{7}{\sqrt{2}} =\frac{49}{4}\\Total~area=\frac{1}{2} *14*14+12.25 =98+12.25=110.25 ~sq.~units

=110 sq. ft

4 0
3 years ago
Write the equation of a line in slope-intercept form that has a slope of -8 and a y-intercept of (0,3).
Pavel [41]
Y=ax+b
3=-8(0)+b
3=0+b
3=b

Y=-8x+3

(I think this is right, but u might want to double check)
8 0
3 years ago
If 2x• 3x +(2•3 )x +6x= 648, find x.
klasskru [66]

Answer:

x = -1 ± √109

Step-by-step explanation:

2x • 3x + (2 • 3)x + 6x = 648

According to PEMDAS (parentheses/exponents | multiplication/division | addition/subtraction), we should solve the parentheses first.

(2 • 3) = 6

Now we have:

2x • 3x + (6)x + 6x = 648

Now let's multiply.

2x • 3x = 6x²

6 • x = 6x

Now we have.

6x² + 6x + 6x = 648

Combine like terms.

6x² + 12x = 648

Let's factor out a 6.

6(x² + 2x) = 648

Divide both sides by 6.

x² + 2x = 108

Let's use completing the square.

Our equation is in a² + bx = c form.

Divide b by 2.

2/2 = 1

Then square it.

1² = 1

Add 1 to both sides.

x² + 2x + 1 = 108 + 1

Simplify.

x² + 2x + 1 = 109

Now we want to factor the left side. A shortcut is just to use b/2.

(x + 1)² = 109

Take the square root of both sides.

x + 1 = ±√109

The square root is as simplified as possible.

Subtract 1 from both sides.

x = -1 ± √109

Hope this helps!

4 0
3 years ago
Read 2 more answers
Twice Brittany’s age is less than the age of Abraham Lincoln when he died. President Lincoln was 56 years old at the time of his
andrew11 [14]

Answer:

2b < 56

n = b - 2

b = n + 2

n < 27

b < 28

No, because the difference between Brittany and Nate's age is 2years

Step-by-step explanation:

A.)

Twice Brittany’s age is less than the age of Abraham Lincoln when he died. President Lincoln was 56 years old at the time of his death

Let Brittany's age = b

Twice Brittany's age = 2 × b = 2b

Lincoln's age = 56

2b < 56

B.)

Nate's age = n

Nate is 2 years younger than brittany who is aged 'b'

n = b - 2

C.) b = n + 2

D.)

If 2b < 56 and b = n + 2

2(n + 2) < 56

2n + 2 < 56

2n < 56 - 2

2n < 54 ; n < 27

2b < 56

b < 56/2

b < 28

No, because the difference between Brittany and Nate's age is 2years

4 0
3 years ago
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