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Ratling [72]
3 years ago
9

HELP! 7th grade math! GIVE CORRECT ANSWER AND YOU WILL GET BRAINLIEST!!

Mathematics
2 answers:
Svet_ta [14]3 years ago
7 0

Answer:

QRT = 108

Step-by-step explanation:

In a parallelogram, opposite angles are congruent. With this, we know that angle SQR and angle QRT will both be 108

Hope this helps! please mark brainliest!

nydimaria [60]3 years ago
6 0

Answer:

2nd choice

Step-by-step explanation:

If we know one angle of parrellelogram

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If x represents the molar solubility of b a 3 ( p o 4 ) 2 , what is the correct equation for the k s p ?
AnnyKZ [126]

The molar solubility of Ba₃(PO₄)₂ is its concentration of pure substance

The correct equation for the ksp is Ksp = 6x⁵

<h3>How to determine the equation of ksp?</h3>

Start by writing the reaction for the solution of Barium phosphate

Ba₃(PO₄)₂  ⇌3Ba²⁺ +2PO₄³⁻

Next, we make an ICE chart

Let "x" be the molar solubility of Barium phosphate

          Ba₃(PO₄)₂(s)  ⇌3Ba²⁺ +2PO₄³⁻

I                                 0                  0

C                              +3x               +2x

E                                3x³                 2x²

Lastly, we write the expression for the solubility product constant (Ksp)

This is represented as:

Ksp = [3Ba²⁺] × [2PO₄³⁻]²

Ksp = 3x³ × 2x²

Evaluate the product

Ksp = 6x⁵

Hence, the correct equation for the ksp is Ksp = 6x⁵

Read more about molar solubility at:

brainly.com/question/9732001

5 0
3 years ago
What is the equation of the parabola, in vertex form, with vertex at (-2,-4) and
Arlecino [84]

Answer:

Step-by-step explanation:

The distance between the vertex and the directrix is 4 units, that means that p = 4 in the equation

(y-k)^2=4p(x-h) and h and k are the coordinates of the vertex. Filling in:

(y+4)^2=4(4)(x+2) which simplifies to

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Perimeter = 2l + 2w

Divide 184 by 4

184/4 = 46

Subtract by 6

46 - 6 = 40

Add by 6

46 + 6 = 52

The length is 52, and the width is 40.

We can verify by plugging these values into the original equation.

52*2 + 40*2 = 184

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4 years ago
(-9n+9+6n4)-6n-7n4) simplified?
BigorU [14]
Here you go simplified it

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3 years ago
What is the vertex of this quadratic function? A) (-4, 0) B) (-2, 0) C) (-3, 1) D) (0, -8)
notsponge [240]

Answer:

0

Step-by-step explanation:

Because it has the beginning point

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