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4 years ago

Solve the inequality 7 x ≤ 10.

Mathematics

2 answers:

nasty-shy [4]4 years ago

8 0

x ≤ 10/7 is ur answer

have a good day

Rufina [12.5K]4 years ago

5 0

Answer:

x ≤ 10/7 or as a mixed number x ≤ 1 3/7

Step-by-step explanation:

7 x ≤ 10

We want to isolate x

Divide each side by 7

7x/7≤ 10/7

x ≤ 10/7

Changing from an improper fraction to a mixed number

x ≤ 1 3/7

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In ABC, CT is a median. What is the measure of AB?

Step2247 [10]

Answer:

AB = 102

Step-by-step explanation:

the median CT bisects the side AB at T , then

BT = AT , that is

7x + 9 = 5x + 21 ( subtract 5x from both sides )

2x + 9 = 21 ( subtract 9 from both sides )

2x = 12 ( divide both sides by 2 )

x = 6

then

AB = 5x + 21 + 7x + 9 = 12x + 30 = 12(6) + 30 = 72 + 30 = 102

4 0

2 years ago

4c divided by 6 + 2a for c= 4 for a =5

Shalnov [3]

Answer:

1

Step-by-step explanation:

Given values :

a = 5

c = 4

Substitution :

4c / 6 + 2a

4(4) / 6 + 2(5)

16/16

= 1

8 0

3 years ago

Read 2 more answers

Write the equation of the parabola that has the vertex at point (− 1/2 ,2.3) and passes through the point (5,2 3/4 ).

Alex73 [517]

Answer:

The equation of parabola in vertex form is $y=0.015(x+0.5)^2+2.3$

Step-by-step explanation:

Given coordinate of vertex is $(-\frac{1}{2},2.3)$ and the parabola passes through the point $(5,2\frac{3}{4})$

So, the equation of parabola in vertex form is

$y=a(x-h)^2+k$

Where $(h,k)$ is the coordinate of the vertex.

$(h,k)=(-\frac{1}{2},2.3)=(-0.5,2.3).\\\\So,\ h=-0.5\ and\ k=2.3$

Plugging these value in equation we get,

$y=a(x-(-0.5))^2+2.3\\\\y=a(x+0.5)^2+2.3$

Now, we will find the value of $a$

Plug the coordinate $(5,2\frac{3}{4})$

$(x,y)= (5,2\frac{3}{4})\\\\(x,y)=(5,\frac{11}{4})\\\\(x,y)=(5,2.75)$

$2.75=a(5-(-0.5))^2+2.3\\\\2.75=a(5+(0.5))^2+2.3\\\\2.75=a(5.5)^2+2.3\\\\2.75=a\times30.25+2.3\\\\2.75-2.3=a\times30.25\\\\0.45=a\times30.25\\\\\frac{0.45}{30.25}=a\\ \\a=0.0149$

Plug the value of $a$ in the equation $y=a(x+0.5)^2+2.3$

So, the equation of parabola with vertex $(-\frac{1}{2},2.3)$ and passes through the point $(5,2\frac{3}{4})$ is

$y=0.0149(x+0.5)^2+2.3$ ≅ $y=0.015(x+0.5)^2+2.3$

5 0

3 years ago

PLEASE HELP which graph represents the given inequality y < 3x-4

STatiana [176]

Answer: Here is the answer.

Step-by-step explanation:

6 0

3 years ago

I just need help with 4-6

Alik [6]

Think of it as subtracting 4-4 which is 0 and subtracting that remainder two.
4-6=-2

6 0

4 years ago