1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Neporo4naja [7]
2 years ago
15

Could u all check this if am correct before i turn it in.​

Mathematics
2 answers:
just olya [345]2 years ago
8 0
All the answers are correct.
PolarNik [594]2 years ago
8 0

they are all correct

You might be interested in
Explain the importance of<br>knowing how to reduce radicals​
s344n2d4d5 [400]
If you are cooking or in a lab and you are using measurements and you need to cut the recipe or compounds in half or double it you need to know how to do so
5 0
3 years ago
If CDE ~ GDF, find ED
qaws [65]

Answer:

10

Step-by-step explanation:

\triangle CDE \sim \triangle GDF.. (given) \\\\\therefore \frac{CD}{GD} =\frac{DE}{DF}.. (csst) \\\\\therefore  \frac{15}{x+3} =\frac{3x+1}{4}\\\\ \therefore   \: 15 \times 4 = (x + 3)(3x + 1) \\  \\ \therefore   \: 60 = 3 {x}^{2}  + x + 9x + 3 \\  \\ \therefore  3 {x}^{2}  + 10x + 3 - 60 = 0 \\ \therefore  3 {x}^{2}  + 10x  - 57 = 0 \\ \therefore  3 {x}^{2}  + 19x - 9x  - 57 = 0 \\ \therefore   \: x(3x + 19) - 3(3x + 19) = 0 \\\therefore   \:  (3x + 19)(x - 3) = 0 \\ \therefore   \: 3x + 19 = 0 \:  \: or \:  \: x - 3 = 0 \\  \therefore   \: x =  -  \frac{19}{3}  \:  \: or \:  \: x = 3 \\  \because \: x \: can \: not \: be \:  - ve \\ \therefore   \: x = 3 \\ ED = 3x + 1 = 3 \times 3 + 1  \\ \huge \red{ \boxed{ ED= 10}}

7 0
3 years ago
CALC BC HELPPP!!!??? 100PTS!!!
lyudmila [28]

the assumption being that "x" is a plain variable whilst "y" is a function, that matters because the chain rule would be needed for a function, not so for a plain variable.

4x^2+4x+xy=5\implies 8x+4+\stackrel{\textit{product rule}}{\left( 1\cdot y+x\cdot \cfrac{dy}{dx} \right)}=0 \\\\\\ x\cfrac{dy}{dx}=-8x-4-y\implies \cfrac{dy}{dx}=\cfrac{-8x-4-y}{x}

now, we know that y(5) = -23, which is another way of saying that when x = 5, y = -23, but we already knew that, we can get that by simply plugging it into the equation hmmm y'(5), well

\left. \cfrac{dy}{dx}=\cfrac{-8x-4-y}{x} \right|_{\stackrel{x=5~}{\textit{\tiny y=-23}}}\implies \cfrac{-8(5)-4-(-23)}{5}\implies \cfrac{-21}{5}

8 0
2 years ago
I need help with 2. 3. 8 and 13 please help me
Crank

Answer:

all work is shown and pictured

6 0
3 years ago
Complete the table and then graph the function.<br> y = 5x
sergejj [24]

Answer:

Coordinates: (0,0) ; (1,5) ; (2,10)

Step-by-step explanation:

x  |  y

0  0

1   5

2  10

Coordinates: (0,0) ; (1,5) ; (2,10)

This should be a straight line that is going diagonally with a positive slope.

7 0
2 years ago
Other questions:
  • You have $55,000 in savings account that pays 2% intrest per year. The inflation rate that year is 3.24%. How much do you make i
    5·1 answer
  • I Need Number 4 &amp;' 6
    15·1 answer
  • Square root to a 100
    7·1 answer
  • Subtracting polynomials
    10·1 answer
  • What's a + 0.3 = -2
    6·1 answer
  • Jerry gave the cashier $40 to pay for 5 shirts. The cashier gave him$ 9.05 in change. Each shirt costs the same amount. What is
    6·2 answers
  • (6) Work out<br> 5 1<br> 6 12
    14·1 answer
  • How many ounces in a gallon?
    5·2 answers
  • There are 80 guards and 32 forwards in Ben's basketball league.
    9·2 answers
  • What was the approximate percent decrease in the price of her groceries due to the coupons?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!