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3 years ago

What is so wrong about this help me please due tonight

Mathematics

2 answers:

blondinia [14]3 years ago

5 0

Answer:

18 remainder 1 or 18.2

Step-by-step explanation:

91 divided by 5 equals 18 with a remainder of 1

dolphi86 [110]3 years ago

3 0

Answer:

91/5

5 goes into 91 eighteen times

Now there is 1 remaining

go into the decimals place

now you're left with 18.2

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What are the values of the function y=-2 x-4 for x=0,1,2,3

iragen [17]

Answer:

read description

Step-by-step explanation:

y=-2(0)-4 ANSWER: y=-4

y=-2(1)-4 ANSWER: y=-6

y=-2(2)-4 ANSWER: y=-8

y=-2(3)-4 ANSWER: y=-10

7 0

3 years ago

Find two acute angles that satisfy the equation sin(2x + 7) = cos(x + 23). Check that your answers make

Vera_Pavlovna [14]

Answer:

The smaller angle is 43 and the larger angle is 47

Step-by-step explanation:

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2 years ago

Evaluate x 3 for x = 2.

solong [7]

If you mean 3x then that would be 6

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3 years ago

Given:

diamong [38]

Answer:

10-5 $\sqrt{2}$

Step-by-step explanation:

As per the attached figure, right angled $\triangle MDL$ has an inscribed circle whose center is $I$ .

We have joined the incenter $I$ to the vertices of the $\triangle MDL$ .

Sides MD and DL are equal because we are given that $\angle M = \angle L = 45 ^\circ.$

Formula for area of a $\triangle = \dfrac{1}{2} \times base \times height$

As per the figure attached, we are given that side a = 10.

Using pythagoras theorem, we can easily calculate that side ML = 10 $\sqrt{2}$

Points P,Q and R are at $90 ^\circ$ on the sides ML, MD and DL respectively so IQ, IR and IP are heights of $\triangle$ MIL, $\triangle$ MID and $\triangle$ DIL.

Also,

$\text {Area of } \triangle MDL = \text {Area of } \triangle MIL +\text {Area of } \triangle MID+ \text {Area of } \triangle DIL$

$\dfrac{1}{2} \times 10 \times 10 = \dfrac{1}{2} \times r \times 10 + \dfrac{1}{2} \times r \times 10 + \dfrac{1}{2} \times r \times 10\sqrt2\\\Rightarrow r = \dfrac {10}{2+\sqrt2} \\\Rightarrow r = \dfrac{5\sqrt2}{\sqrt2+1}\\\text{Multiplying and divinding by }(\sqrt2 +1)\\\Rightarrow r = 10-5\sqrt2$

So, radius of circle = $10-5\sqrt2$

8 0

3 years ago

18 8 12 What is the value of x? A. 2V29 B. 3761 C.2V101 D. 2 133

Sati [7]

It is c since that is the answer

5 0

3 years ago