3 years ago

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

Mathematics

1 answer:

prisoha [69]3 years ago

4 0

I’m not sure I’m looking for it

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** ANSWER QUICKLY TIMED QUIZ **

maks197457 [2]

$4x^2+32x-28=0\ \ \ |:4\\\\x^2+8x-7=0\ \ \ |+7\\\\x^2+8x=7\\\\x^2+2x\cdot4=7\ \ \ |+4^2\\\\x^2+2x\cdot4+4^2=7+4^2\\\\(x+4)^2=7+16\\\\(x+4)^2=23\\\\Answer:\ B.(x+4)^2=23$

4 0

3 years ago

What is mZDAR in circle A?

Andreas93 [3]

Answer:

68°

Step-by-step explanation:

Since, angle subtended on the circumference of the circle is half angle subtended on the center of the circle.

$\therefore m\angle DBR = \frac{1}{2} \times m\angle DAR\\\\\therefore 34\degree = \frac{1}{2} \times m\angle DAR\\\\\therefore 34\degree \times 2= m\angle DAR\\\\\therefore 68\degree = m\angle DAR\\\\\therefore m\angle DAR=68\degree$

5 0

3 years ago

Explain why a square must be a rectangle, but a rectangle does not have to be a square

Oduvanchick [21]

So a square is a special kind of rectangle, it is one where all the sides have the same length. Thus every square is a rectangle because it is a quadrilateral with all four angles right angles. However not every rectangle is a square, to be a square its sides must have the same length.

8 0

4 years ago

What is the value of (-4.5) (-8.25) ? Please!

Radda [10]

37.125 because 1 two negatives make a positive and those two numbers multiplied make 37.125

4 0

3 years ago

Read 2 more answers

Please help with this question!!!!!

babymother [125]

Answer:

30.6 - 306