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strojnjashka [21]
3 years ago
14

(ANSWER ASAP) The table represents the multiplication of two binomials. What is the value of A?

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
4 0
<h3>The value of A will be -3x^2 </h3>

By observing the table it can be concluded that the value of A must be equal to 3x × (-x)

So, the value will be -3x^2

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Please help!! I will make you brainlest.
Strike441 [17]

Answer:

Step-by-step explanation:

These problems are based on triangle ratios. You cannot use the Pythagorean theorem to solve them.

The first triangle is a 45 45 90 degree triangle (I'm talking about the angles), and so, the ratio is 1:1:\sqrt{2\\}, so I have to divide the hypotenuse by \sqrt{2\\} to get the legs. The hypotenuse is 15\sqrt{6}, so that divided by \sqrt{2\\} is 15\sqrt{3\\}. X is the same length as y because of the triangle ratio, so both x and y for the first triangle are 15\sqrt{3\\}.

The second triangle is a 30 60 90 degree triangle, so the ratio is x:x\sqrt{3}:2x. The short leg is 7\sqrt{3}, so 7\sqrt{3} * 2 is the hypotenuse, which is 14\sqrt{3}. The long leg is 7\sqrt{3} * \sqrt{3}, which is 21. So, x for the second triangle is 14\sqrt{3}, and y for the second triangle is 21.

4 0
2 years ago
Read 2 more answers
(1,5) with a slope of -2
laiz [17]

Answer:

y = -2x + 7 is the equation if that's what you are asking for.

3 0
2 years ago
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Help, please!! What is mA?
Inga [223]

Answer:

38°

Step-by-step explanation:

The measure of required angle can be obtained by using cosine law.

From the given triangle we find that:

a = 5, b = 3, c = 7,

Since,

cos (A) = (b^2 +c^2 - a^2) /2bc

Therefore,

cos (A) = (3^2 + 7^2 - 5^2) /(2*3*7)

cos (A) = (9 + 49 - 25) /(42)

cos (A) = (33) /(42)

cos (A) = 0.785714286

A = arccos(0.785714286)

A = 38.213210675°

A = 38°

4 0
3 years ago
12(5+2y)=4y-(6-9y) How to Solve
kvv77 [185]

Answer:

y = -6

Step-by-step explanation:

12 (5 + 2y) = 4y- (6 - 9y)

= 60 + 24y = 4y - 6 + 9y

= 60 + 24y = 13y - 6

= 24y - 13y = -6 - 60

= 11y = -66

y = -6

7 0
3 years ago
Rewrite each of these statements so that negations appear only within predicates (that is, so that no negation is outside a quan
Ghella [55]

Answer:

Follows are the solution to the given point:

Step-by-step explanation:

In point a:

¬∃y∃xP (x, y)  

∀x∀y(>P(x,y))  

In point b:

¬∀x∃yP (x, y)

 ∃x∀y  ¬P(x,y)

In point c:

¬∃y(Q(y) ∧ ∀x¬R(x, y)) \equiv  ∀y(> Q(y) V ∀ ¬ (¬R(x,y)))

∀y(¬Q(Y)) V ∃xR(x,y) )

In point d:

¬∃y(∃xR(x, y) ∨ ∀xS(x, y))  

∀y(∀x>R(x,y)) \wedge ∃x>s(x,y))

In point e:

¬∃y(∀x∃zT (x, y, z) ∨ ∃x∀zU (x, y, z))

∀y(∃x ∀z)>T(x,y,z) \wedge ∀x ∃z> V (x,y,z))  

8 0
3 years ago
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