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3 years ago

Help me with this asap its 11:27 and it due 11:35

Mathematics

1 answer:

Katena32 [7]3 years ago

6 0

Answer:

d. 180

Step-by-step explanation:

60white

30blue

90red

180 total flowers

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What is the equation of a line when the slope is 7 and the y-intercept is -9.

den301095 [7]

Answer:

y = 7x - 9

Step-by-step explanation:

y = mx+b

m = slope = 7

b = y-intercept = -9

5 0

3 years ago

Convert the following equation into standard form <img src="https://tex.z-dn.net/?f=y%20%3D%20%20%5Cfrac%7B4x%7D%7B5%7D%20%20

musickatia [10]

(y=4x/5-9/5) 5
5y=4x-9
(-4x+5y=-9) -1
4x+5y=9

Hope this helped you!! :)

6 0

3 years ago

-4 ( -3 + 7v )= -7v + 33

PSYCHO15rus [73]

Answer:

v = -1

Step-by-step explanation:

-4 (-3 + 7v) = -7v + 33

12 -28v = -7v + 33

-12 -12

-28v = -7v + 21

-28v + 7v = 21

-21v = 21

-21÷-21 = 21÷-21

v = -1

5 0

1 year ago

Given a function f(x)=|x+1|-|x -2|

White raven [17]

Answer:

Step-by-step explanation:

$f(x)=/x+1/-/x-2/\\a=/x+1/-/x-2/\\\text{square both sides}\\a^{2}={(x+1)}^{2}+{(x-2)}^{2}-2(x+1)(x-2)\\a^{2}=x^{2}+2x+1+x^{2}-4x+4-2x^{2}+2x+4\\a^{2}=9\\a=\sqrt{9}\\a=+3\text{ or }-3$

$\text{if }a \in \{-3, 3\},\text{the number of solutions is 2}$

$\text{if }a \in \{-\infty, -3\}\bigcup\{\infty, 3\},\text{it is just like saying from infinity to infinity, which is still 2}$

4 0

3 years ago

Read 2 more answers

Find the slope of the line that passes through the points (9, -2) and (4, 3)

vovikov84 [41]

Answer:

-1

Step-by-step explanation:

Formula: $y=mx+b$

Using two points:

Since we are given the $y$ and $x$ value, what is left is the $m$ and $b$ in the formula, which represent slope and the y-intercept.

Slope

$m$ is slope

Formula: $\frac{y_2-y_1}{x_2-x_1}$

Plug points: $\frac{3-(-2)}{4-9}$

Solve: $\frac{5}{-5}$

Simplify: $\bold{m=-1}$

Therefore, the slope is -1

Learn more:

y-intercept

$b$ is the y-intercept

Plug one of the points and the slope into the formula, solve for b: (4, 3)

$3=-1(4)+b$

$3=-4+b$

$3+4=-4+b+4$

$\bold{b=7}$

6 0

3 years ago