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3 years ago

Please help fast! i will give brainliest

Mathematics

2 answers:

tiny-mole [99]3 years ago

3 0

Answer:

0.39

Step-by-step explanation:

Nadusha1986 [10]3 years ago

3 0

Answer:

1.87

Step-by-step explanation:

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What is 5 ∙ P ∙ 2 Simplified?

Alexeev081 [22]

It’s 10p...you take the 5 & 2 and multiple them and add the “p” to the 10 to get 10p

6 0

3 years ago

Which number line correctly shows -0.8 + 0.6?

creativ13 [48]

Answer:

The first from top shows correct representation on number line for -0.8 +0.6.

Step-by-step explanation:

When we add these two term we get

$= -0.8 + 0.6\\= -0.2$

-0.8 is to left of origin so when we add any value it will shift to right .

For example

$-0.8 + 0.1 = -0.7\\-0.8 + 0.4 = -0.4\\-0.8 + 0.6 = -0.2$

Such a way it ends to -0.2

8 0

3 years ago

DOES ANYONE KNOW THIS! PLSS HELP

tia_tia [17]

Answer:

Dont know how to exactly explain but

Step-by-step explanation:

Both triangles angle y is 85 i forgot the proof name

4 0

3 years ago

Can you guys pls help me with this math question

aleksklad [387]

Answer:

Dimensions: 125 m x 250 m

Area: 31,250 m²

Step-by-step explanation:

Given information:

Total amount of fencing = 500m
Only 3 sides of the land need to be fenced

First, let us assume that the land is rectangular in shape.

Let $y$ = length of the side opposite the river

Let $x$ = length of the other 2 sides of the land

Therefore, we can create two equations from the given information:

Area of land: $A= xy$

Perimeter of fence: $2x + y = 500$

Rearrange the equation for the perimeter of the fence to make y the subject:

$\begin{aligned} \implies 2x + y & = 500\\ y & = 500-2x \end{aligned}$

Substitute this into the equation for Area:

$\begin{aligned}\implies A & = xy\\& = x(500-2x)\\& = 500x-2x^2 \end{aligned}$

To find the value of x that will make the area a maximum, differentiate A with respect to x:

$\begin{aligned}A & =500x-2x^2\\\implies \dfrac{dA}{dx}& =500-4x\end{aligned}$

Set it to zero and solve for x:

$\begin{aligned}\dfrac{dA}{dx} & =0\\ \implies 500-4x & =0 \\ x & = 125 \end{aligned}$

Substitute the found value of x into the original equation for the perimeter and solve for y:

$\begin{aligned}2x + y & = 500\\\implies 2(125)+y & = 500\\250+y & = 500\\y & = 250\end{aligned}$

Therefore, the dimensions that will give Christine the maximum area are:

125 m x 250 m (where 250 m is the side opposite the river)

The maximum area is:

$\begin{aligned}\implies \sf Area_{max} & = xy\\& = 125 \cdot 250\\& = 31250\: \sf m^2 \end{aligned}$

6 0

2 years ago

Angle Number Measure 1 2 13 1 1267 2 3

Serggg [28]

Answer:

∠1=54°

∠2=54°

∠3 = 126°

Step-by-step explanation:

We need to find ∠1, 2 and 3

Since a traversal cut parallel lines we would use supplementary angles , congruent angles rules to solve the problem.

Angle 1 and 126 are supplementary angles.

They add up to make 180

So, ∠1 + 126 = 180

∠1 = 180-126

∠1 =54

We get ∠1=54°

Now, ∠1 ≅ ∠2, because they are corresponding angles and if traversal cut parallel lines, corresponding angles are congruent.

So ∠1 ≅ ∠2 therefore, ∠2=54°

Now, for finding measure for ∠3, we know that 126 and ∠4 are corresponding angles and corresponding angles are congruent.

So, ∠4 = 126°

We know that ∠3 and ∠4 are vertical angles.

And if traversal cut parallel lines, vertical angles angles are congruent.

So, ∠3 = 126°

8 0

3 years ago