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Tanya [424]
3 years ago
15

Helpppppp. Pleaseeeeeeeeeeee

Mathematics
1 answer:
Irina-Kira [14]3 years ago
7 0
I think it’s 0.85d, but i’m not sure
You might be interested in
Find the value of c 3-2(1 + 6c) = -35
Alex777 [14]

Answer:

C = 3

Step-by-step explanation:

By using the distributive property, we multiply 1 and 6c inside the brackets by -2. This gives us 3 -2 - 12c = -35. Next, we subtract 2 from 3, giving us 1 - 12c = -35. We will now subtract 1 from both sides, leaving us with -12c = -36, or simply 12c = 36. Finally, we divide by 12, giving us C = 3. I hope this helps!

7 0
2 years ago
How do I solve this quadratic equation by factoring ?
lys-0071 [83]
I'd suggest you get rid of the fraction first.  Mult. every term by 3.  You will get

3y^2 + 10y + 3 = 0

From inspection, with coefficient a=3 and coeff. c = 3, the binomial factors could possibly begin with y or 3y:  for example, y+1; also, the binom. factors may end in +1.    Let's try the possible binomial factor 3y + 1.

Note that 10y separates into 9y+1y.

Then 3y^2 +    10y     +     3  = 0 becomes
         3y^2   + 9y + 1y  +  3  =  0

Let's apply factoring by grouping:

        3y^2 + 9y + 1y + 3 = 0
        3y*(y + 3) + 1(y + 3)    so y+3 is indeed a common factor.

Factoring y+3 out, we get (y+3)(3y + 1), which prove to be the correct set of factors.  Multiply these together to ensure that the product is indeed y^2 + (10/3)y + 1.


3 0
4 years ago
Angelica is currently 13 years old she is 2 years older than her brother. Write an equation to represent the situation.Solve ur
sdas [7]

Answer:

Therefore,

x+2=13 .......Equation

Angelica's Brother's age is 11 years old.

Step-by-step explanation:

Given:

Let the current age of Angelica's Brother be 'x' years old

Angelica's current age is 13 years old,

According to given condition,

Therefore the Equation will be,

x+2=13

On solving this equation we get

x=13-2=11\\\\x=11\ years

Therefore,

Angelica's Brother's age is 11 years old.

Therefore,

x+2=13 .......Equation

Angelica's Brother's age is 11 years old.

6 0
4 years ago
The heights of the children at a summer camp are normally distributed with a mean of 58 in. and a standard deviation of 4 in.
stepan [7]
First, we must find the z-scores for each limit
for 54
z = (54 - 58) / 4 = -1
For this z-score, the area under the curve is 0.1587

for 62
z = (62 - 58) / 4 = 1
The area under the curve is 0.8413

Subtracting the two z-scores:
0.8413 - 0.1587 = 0.6825

Multiplying by 150
150 (0.6825) = 102.39

So, the closest answer is
102
4 0
4 years ago
A house is 19 ft tall. Its shadow is 40 ft long at the same time the shadow of a nearby building is 300 ft long. Find the height
DIA [1.3K]

ANswer: 161.5ft???.....

3 0
3 years ago
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