Please I need help asap.

Answers

Answer 1

Answer: QR is the median of the trapezoid, so its length is the average of the top and bottom bases. Write that. Say (length of QR)=1/2 of (length of the top + length of the bottom). That gives you a nice simple equation that you can easily solve for 'x'.

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Writeeach number in scientific notation.

a) 12,340,000

b) 0.00057

Answers

a) move the decimal 7 places to the left: 1.234 x 10^7

b) move the decimal 4 places to the right: 5.7 x 10^-4

Hope this helps!!

$1\underbrace{2340000}_(\leftarrow7)=1.2340000\cdot10^7=1.234\cdot10^7\n\n\n0.\underbrace{0005}_(4\to)7=5.7\cdot10^(-4)$

Which is the graph of the function f(x) = x2 + 2x + 3?

Answers

Answer:

Refer the graph attached.

Step-by-step explanation:

Given : Equation $f(x) = x^2 + 2x + 3$

To find : The graph of the given equation?

Solution :

Let, $y= x^2 + 2x + 3$

First we find the points which satisfy the equation and then joining those points give you the graph.

Points are

x y

-3 6

-2 3

-1 2

0 3

1 6

Now, We plot these points.

The graph is the parabola with vertex (-1,2).

Refer the attached graph below.

Answer:

first graph on edge

Step-by-step explanation:

The wingspan of one butterfly is 1 9/16. The wingspan of another butterfly is 1 5/8 inches. write an inequality comparing the two wingspan

Answers

1 9/16 < 1 5/8 one nine sixteenths is larger than one five eighths

19/16< 15/8 one nine sixteenth is larger than one five eighths

Two neighbors both have rectangular swimming pools in thir backyards. one neighbors pool has dimensions that are twice as great as the dimensions of the others pool. What is the ratio of the volumes of the two poolsa) 1:1
b) 2:1
c) 4:1
d) 8:1
e) 16:1

Answers

It would be b) 2:1 (:

$48 marked down by 20%

Answers

48-20%=48*(1-0.2)=48*.8= 38.4
$38.40

The measure of central angle RST is radians. What is the area of the shaded sector? 4Pi units squared8Pi units squared
16Pi units squared
20Pi units squared

Answers

Answer:

" $8\pi$ units squared"

Step-by-step explanation:

The image of the circle is attached.

The shaded area of the circle is basically HALF of the whole circle. If we can get the area of the circle, we will halve it, to get our answer for area of shaded region.

Area of circle is given as:

$A=\pi r^2$