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3 years ago

Help meh directions in pic! no links or your getting hac ked xD

Mathematics

1 answer:

cricket20 [7]3 years ago

7 0

It seems as though x would be the same, because it’s a 90 degree angle cut in half

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Solve each inequality. Round to the nearest hundredth. 3x2 – 4 ≤ 6 – 5x

shtirl [24]

Answer:

$x\in[-2.84,1.17]$

Step-by-step explanation:

The first, we will write our inequality in another form:

$3x^2-4\leq 6-5x$

$3x^2-4-6+5x\leq 0$

$3x^2+5x-10\leq 0$

We want to know when is it equal to 0.

First we solve the equation $3x^2+5x-10=0$ :

$x_{1,2}=\frac{-5+-\sqrt{25+120}}{6}$

$x_{1,2}=\frac{-5+-12.04}{6}$

$x_1=1.17$

$x_2=-2.84$

So we want to know when $3x^2+5x-10\leq 0$ is true. We know, when a>0 function is negative when x is between two zeros. In our example a=3>0. Then we have:

It is true if $x\in[-2.84,1.17]$

3 0

3 years ago

The area of a rhombus is 8.7 cm2. The base of the rhombus is 3 cm. Find the height of the rhombus

Reika [66]

Answer:

$area = base \times height \\ 8.7 = 3 \times h \\ h = \frac{8.7}{3} \\ \\ { \boxed{ \boxed{height = 2.9 \: cm}}}$

8 0

3 years ago

Read 2 more answers

A book sold 35,100 copies in the first month of release suppose this represents 6.3 percent of the numbers of copies sold to d

mash [69]

Answer:

557,143

Step-by-step explanation:

6.3% * x = 35,100

x = 35,100/0.063 = 557,143

6 0

2 years ago

Answer and explanation please?

Vadim26 [7]

Answer:

x = 6

Step-by-step explanation:

Line M and line V are parallel so,

Given angles must be alternate angles and alternate angles has equal measurement

so we write an equation to find the value of x:

19x - 4 = 110 add 4 to both sides

19x = 114 divide both sides by 19

x = 6

7 0

3 years ago

Please help! will give brainliest!!

Jobisdone [24]

F(x)=4x im pretty sure

7 0

3 years ago

Read 2 more answers