3 years ago

Rewrite the equation y – 4x = –9 in slope-intercept form.

Mathematics

2 answers:

BlackZzzverrR [31]3 years ago

7 0

D y=4x-9 is the answer

torisob [31]3 years ago

4 0

Answer: y=4x-9

explanation: move the -4x over to the other side and it becomes positive 4x and -9 stays the same.

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Lisa is 10 cm taller than her friend ian. Ian is 14 cm taller than jim. Every month, their heights increase by 2 cm. In 7 months

koban [17]

Answer: Ian's height = x+14 = 69+14 = 83 cm

Explanation :

Let the height of Jim be x

Let the height of Ian be x+4

Let the height of Lisa be x+4+10=x+14

Since their heights increase by 2cm every months

so after 7 months ,

Jim's height = x+14

Ian's height= x+4+14=x+18

Lisa's height= x+14+14=x+28

According to question,

Sum of Ian's and Jim's height = 170cm

$x+18+x+14 = 170\\2x+32 =170\\2x =170-32\\2x = 138$

⇒x = $\frac{138}{2}$

⇒ x= 69cm

∴ Ian's height = x+14 = 69+14 = 83 cm

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2 years ago

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Carolyn is using the table to find 360% of 15. What values do X and Y represent in her table?

Ganezh [65]

★ 100% of 15 = X

$\implies \mathsf{100\%\;of\;15 = \left(\dfrac{100}{100} \times 15\right) = 15}$

$\implies \mathsf{X = 15}$

★ 20% of 15 = Y

$\implies \mathsf{20\%\;of\;15 = \left(\dfrac{20}{100} \times 15\right)}$

$\implies \mathsf{20\%\;of\;15 = 3}$

$\implies \mathsf{Y = 3}$

<u>Answers</u> : X = 15 and Y = 3

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2 years ago

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How would you write the equation with a slope of 2/3 and a y-intercept if -3

worty [1.4K]

Y=2/3x-3. Follow the formula y=Mx+b. M is the slope, and b is the y intercept.

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2 years ago

ABC is an isosceles triangle 80 degrees and 50 degrees

Alborosie

Answer:

Thank you for the points.... lol

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2 years ago

1. Consider the figure below.

Illusion [34]

Answer:

A triangle sums to 180
x-48+2x-164+x= 180
4x-212=180
x= 90

m<A= 16
m<M=90
m<N= 52
Right Triangle
Give brainlist
I do exams and quizzes

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2 years ago