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tiny-mole [99]
2 years ago
11

Add bracket to make each statement correct . You may use more than one pair of bracket in each statement .

Mathematics
2 answers:
ElenaW [278]2 years ago
5 0

Answer: (2+3) x (4+5) = 45

Step-by-step explanation:

(2+3) x (4 +5) = 45

5 x 9 = 45

belka [17]2 years ago
3 0

Answer:

(2+3) x (5+5)=45

Step-by-step explanation:

I have been thought. Hope this helps. 5x9=45

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HELP ITS DUE iN 3 MINUTES
Mnenie [13.5K]

Answer:

acute and isosceles

Step-by-step explanation:

acute because all angles less than 90

isosceles because 2 sides are equal length

5 0
2 years ago
What is is the value of x if -18/6x=-22
blagie [28]

Answer:

x=22/3 is your answer


7 0
3 years ago
Read 2 more answers
Find and identify the traces of the quadric surface x2 + y2 − z2 = 36 given the plane. x = k Find the trace. Incorrect: Your ans
AlekseyPX

Answer:

Hyperbola.

Step-by-step explanation:

We start from the function:

x^{2} +y^{2} -z^{2} =36

We may get the traces if we cut the surface in planes x=k. This is equivalent to replace x for k:

k^{2}+y^{2} -z^{2}=36\\y^{2} -z^{2}=36-k^{2}

The last equation is the equation of an hyperbola, which varies its characteristics depending on K (the plane cut).

3 0
2 years ago
In ΔBCD, the measure of ∠D=90°, DC = 16, CB = 65, and BD = 63. What ratio represents the cosine of ∠B?
Alisiya [41]

Answer:

15:17

Step-by-step explanation:

Since the triangle has a right angle, we may find the length of the unknown side using the trigonometric notations SOH CAH TOA where

SOA stands for

Sin Ф = opposite side/hypotenuses side

Cosine Ф = adjacent side/hypotenuses side

Tangent Ф = opposite side/adjacent side

With respect to ∠B given that ∠D=90°,

BD is the adjacent side

CB is the hypotenuse side

and DC is the opposite side

Hence Sin B = 15/17

8 0
2 years ago
Read 2 more answers
Find the distance UV between the points U (7,-4) and V(-3,-6). Round your answers to the nearest tenth,if necessary
rodikova [14]

Answer:

<h3>The answer is 10.2 units</h3>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x1 - x2})^{2} +  ({y1 - y2})^{2}  } \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

U (7,-4) and V(-3,-6)

The distance between them is

|UV|  =  \sqrt{( {7 + 3})^{2}  + ( { - 4 + 6})^{2} }  \\  =  \sqrt{ {10}^{2}  +  {2}^{2} }  \\  =  \sqrt{100 + 4}  \:  \\  =  \sqrt{104}  \:  \:  \:  \:  \:  \:  \:  \:  \\  = 2 \sqrt{26}  \:  \:  \:  \:  \:  \:  \:  \:   \\  = 10.1980...

We have the final answer as

<h3>10.2 units to the nearest tenth</h3>

Hope this helps you

4 0
2 years ago
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