Help pls!! Find the value of x and the perimeter of rhombus ABDC

Answer:

i think its the second one

Step-by-step explanation:

Answer:

Obtuce scalene

Step-by-step explanation:

Answer:

=20x2−1080x

Step-by-step explanation:

Because look =(4x)(5x+−270)

=(4x)(5x)+(4x)(−270) then you will get =20x2−1080x

Answer:

x ≈ 7.7

Step-by-step explanation:

Using Pythagoras' identity on the right triangle on the right side

let the third side be y , then

y² + 4² = 10²

y² + 16 = 100 ( subtract 16 from both sides )

y² = 84

Using Pythagoras' identity on the right triangle on the left side

x² + 5² = y²

x² + 25 = 84 ( subtract 25 from both sides )

x² = 59 ( take the square root of both sides )

x = [tex]\sqrt{59}[/tex] ≈ 7.7 ( to the nearest tenth )

Answer:

around 6 and a half pounds

Answer:

he would have spent 10 hours on the piano.

Step-by-step explanation:

every time he practices he practices two more hours on the piano then on the trumpet times that by two and you have your answer

Answer:

Step-by-step explanation:

12

Answer:

Step-by-step explanation:

2.8 + 6.5 = 9.3

Answer:

9.3

Step-by-step explanation:

2.8+6.5=9.3

You'd use addition to solve this

Answer:

y= -12

Step-by-step explanation:

4x+8 = -x+3 -> Find x by  using all information

5x=-5  -> Simplify

x=-1   -> Solve

y=-12  -> Plug in to find y

Answer:

Step-by-step explanation:

Answer:

5+8

Step-by-step explanation:

The inequality shown in the option D, 6 < x + 3 < 9 has the given solution set.

Linear inequalities are defined as those expressions which are connected by inequality signs like >, <, ≤, ≥ and ≠ and the value of the exponent of the variable is 1.

A number line is a straight line which is drawn horizontally where numbers are placed in an equal intervals.

Given a number line where the interval from 3 to the number 6 is marked.

But 3 and 6 is not included since it is an open circle there.

So the inequality represented in the number line is 3 < x < 6.

We have to find the inequality in the option which is equivalent to 3 < x < 6.

Consider 6 < x + 3 < 9

Subtracting throughout the inequality with 3, we get,

6 - 3 < x + 3 - 3 < 9 - 3

3 < x < 6.

Hence the inequality represented in option D has the solution represented in the number line.

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Answer:

AD = 3

BD = 10

CD = 17

Step-by-step explanation:

The requires side lengths are:

[tex]AD = \frac{49}{25}[/tex]

[tex]BD = \frac{168}{25}[/tex]

[tex]CD = \frac{576}{25}[/tex]

Considering triangle BDC, we have:

[tex]BC^2 = BD^2 +CD^2[/tex]

This gives

[tex]24^2 = BD^2 +(25 - AD)^2[/tex]

[tex]576 = BD^2 +(25 - AD)^2[/tex] --------- (1)

Considering triangle ABD, we have:

[tex]7^2 = BD^2 + AD^2[/tex]

[tex]49 = BD^2 + AD^2[/tex] ---- (2)

Subtract (2) from (1)

[tex]576 - 49 = BD^2 -BD^2 +(25 - AD)^2 - AD^2[/tex]

[tex]527 = (25 - AD)^2 - AD^2[/tex]

Expand

[tex]527 = 625 - 50AD + AD^2 - AD^2[/tex]

[tex]527 = 625 - 50AD[/tex]

Collect like terms

[tex]50AD = 625 - 527[/tex]

[tex]50AD = 98[/tex]

Divide both sides by 50

[tex]AD = \frac{98}{50}[/tex]

Reduce fraction

[tex]AD = \frac{49}{25}[/tex]

Recall that:

[tex]49 = BD^2 + AD^2[/tex]

So, we have:

[tex]49 = BD^2 + (49/25)^2[/tex]

[tex]49 = BD^2 + 2401/625[/tex]

Collect like terms

[tex]BD^2 = 49 - 2401/625[/tex]

Take LCM

[tex]BD^2 = \frac{625 *49 - 2401}{625 }[/tex]

[tex]BD^2 = \frac{28224}{625}[/tex]

Take the square roots of both sides

[tex]BD = \frac{168}{25}[/tex]

Also, we have:

[tex]CD = 25 - AD[/tex]

This gives

[tex]CD = 25 - \frac{49}{25}[/tex]

Take LCM

[tex]CD = \frac{625 - 49}{25}[/tex]

[tex]CD = \frac{576}{25}[/tex]

Hence, the requires side lengths are:

[tex]AD = \frac{49}{25}[/tex]

[tex]BD = \frac{168}{25}[/tex]

[tex]CD = \frac{576}{25}[/tex]

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Answer:

a-17

Step-by-step explanation:

Simplify the expression.

Answer:

161.50

Step-by-step explanation:

Answer:

take $190 and multiply it by 0.15 (28.5) and subtract that from $190= $161.50

Step-by-step explanation:

PLZ MAKE ME BRAINLIEST TRYNG TO REACH TOP RANK ON LEADER BOARD

Answer:coo

Step-by-step explanation:Cooke.

The amount of paint which will Becca need to paint the birdhouse in 1 coat is 418 cm².

Surface area of any solid or the 3 dimensional body is the area of each faces by which the solid body is enclosed.

The surface area of rectangular prism can be given as,

[tex]SA=2(wl+hl+hw)[/tex]

Here, (w) is the width, (h) is the height and (l) is the length of the prism.

Becca is painting a birdhouse. The shape of the birdhouse is similar to rectangular prism with dimensions as, height of 13cm, a width of 5 cm, and a length of 8cm.

Now Becca wants to paint this house using 1 coat. As this paint has to be cover each surface of the house. Thus the amount of total paint should be equal to the surface area of the house.

Here, the dimensions of house is as, height of 13cm, a width of 5 cm, and a length of 8cm. Therefore the surface area of it is,

[tex]SA=2(5\times8+13\times8+13\times5)\\SA=418\rm cm^2[/tex]

Hence, the amount of paint which will Becca need to paint the birdhouse in 1 coat is 418 cm².

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Answer:

In ko add krne k baad 10 se multiple kro

Answer:

If the sum of two numbers is 128band their difference is 16 then find the number

Answer:

16 is the mean

Step-by-step explanation:

I gave you the answer, no problem..

Answer:

3x³ + x² - 2

Step-by-step explanation:

a) 3(x squared plus 3x cubed - 2)​

x squared = x²

3x cubed = 3x³

3(x squared plus 3x cubed - 2)​

= 3(x² + 3x³ - 2)

= 3x² + 9x³ - 6

Rearrange according to power

= 9x³ + 3x² - 6

When the expression is divided by 3, it is equivalent to

3x³ + x² - 2

Answer:

There isnt any picture

Step-by-step explanation:

I would love to help you but there is no picture

Answer:

35 miles

Step-by-step explanation:

Answer:

35 miles

Step-by-step explanation:

2.5 x 14

Answer:

Step-by-step explanation:

The vertex is halfway between focus and directrix, at (0,0).

The equation has the form y = ax².

Focal length p = distance between focus and vertex = 1

p = 1/|4a|

1 = 1/|4a|

|a| = ¼

The focus lies below the vertex, so the parabola opens downwards and a<0.

y = -¼x²

Equation represents a parabola with the focus at (0, -1) and

the directrix y=1 is [tex]x^2=-4y[/tex]

Given :

a parabola with the focus at (0, -1) and the directrix y= 1

The standard equation of parabola is  [tex]y-k=\frac{1}{4p} (x-h)^2[/tex]

Focus is at (0,-1)

The midpoint of focus and directrix is the vertex

Directrix is at y=1

Midpoint of (0,-1)  and y=1 is (0,0)

So the vertex is (0,0) that is our (h,k)

Now we find the value of p

The distance between vertex (0,0)  and focus (0,-1) is the value of p

focus  and vertex are 1 unit away. So p=-1

we got h=0 and k=0 and p=-1

Replace all the value in the standard equation

[tex]y-0=\frac{1}{4(-1)} (x-0)^2\\y=\frac{-1}{4} x^2\\4y=-x^2\\x^2=-4y[/tex]

Equation represents a parabola with the focus at (0, -1) and

the directrix y=1 is [tex]x^2=-4y[/tex]

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Answer:3.6

Step-by-step explanation:

Answer:

3.6

Step-by-step explanation:

Distance = √(x2 - x1)² + (y2 - y1)²

√(5 - 3)² + (-2 - 1)²

√13 = 3.605

good luck, i hope this helps :)

Answer:

1. x=6 y=7

hope that helps!

Answer:

(-4,1)

Step-by-step explanation:

for x you do:

1 - 5 = -4

for y you do:

4 - 3 = 1

so it is (-4,1)

Step-by-step explanation:

a polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables. An example of a polynomial of a single indeterminate x is x2 − 4x + 7.

Answer:

x = -3

y = -8

Step-by-step explanation:

2y = x - 13

3x = y - 1;  let y = 3x + 1

substitute to solve for 'x':

2(3x + 1) = x - 13

6x + 2 = x - 13

5x + 2 = -13

5x = -15

x = -3

solve for 'y':

3(-3) = y - 1

-9 = y - 1

-8 = y

Answer:

(-3,-8)

Step-by-step explanation:

Get one of the variables by themself.

3x = y-1

y = 3x+1

Plug that equation into the other one

2(3x+1) = x-13

Distribute the 2 to 3x+1

6x+2 = x-13

Combine like terms

6x+2 = x-13

-x       -x

5x+2 = x-13

    -2        -2

5x = -15

Divide by 5 on both sides

5x = -15

÷5   ÷5

x = -3

Find y

3(-3) = y-1

-9 = y-1

+1       +1

y = -8

Answer:A. h(t) = -16(t - 403)^2 + 3

B. h(t) = -16(t - 5)^2 + 3

C. h(t) = -16(t - 3)^2 + 403

D. h(t) = -16(t - 5)^2 + 403

Step-by-step explanation:

Answer:

A, D, C, F, B, G

Step-by-step explanation:

The correct order of the given expressions is:

1: (1.93 x 10⁷) - (9.7 x 10⁶)

3: (1.93 x 10⁷) - (0.97 x 10⁷)

6: (1.93 - 0.97) x 10⁷

2: 0.96 x 10⁷

4: 10/10 (0.96 x 10⁷)

7: (1.93 x 10⁷) - 10/10 (9.7 x 10⁶)

8: 9.6 x 10⁶

In mathematics, an expression is a combination of one or more numbers, variables, and mathematical operations that can be evaluated to produce a value or result.

The correct order to perform the subtraction operation is:

Write out the problem: (1.93 x 10⁷) - (9.7 x 10⁶)

Subtract the second number from the first number (ignoring the scientific notation): (1.93 - 0.97) x 10⁷

Simplify the subtraction to get the result in scientific notation: 0.96 x 10⁷. Convert the result to standard scientific notation: 9.6 x 10⁶.

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