45 is 26% of what number?

Answers

Answer 1

Answer: 45 is 26% of 173.076

Change the percentage into a decimal by dividing the percentage over 100:
$(26)/(100) = 0.26$

Divide 45 by the decimal (0.26):
$45 / 0.26 = 173.076$

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Jillian ran 40 miles in one week. Her friend Lacey ran the distance that Jillian ran. How many miles did Lacey run? Express your answer in simplest form.

Answers

wouldnt it be 40 miles because it just said lacey ran the distance jillian ran then it said how many miles did lacey run so i would think simplest form is either 40:40 or 1 im an ele. kid sorry xD

Find two consecutive positive odd integers whose product is 35??

Answers

You could multiply -7*-5 in order to get 35 which in case you don't know when you multiply 2 negative integers together you get a positive number just like when you add 2 odd numbers together

Answer:

Step-by-step explanation:

You could multiply -7*-5 in order to get 35 which in case you don't know when you multiply 2 negative integers together you get a positive number just like when you add 2 odd numbers together

The equation of line CD is (y − 3) = − 2 (x − 4). What is the slope of a line perpendicular to line CD?

Answers

$The\ slope-point\ form:y-y_0=m(x-x_0)\ where\ m\ is\ a\ slope\n\nIf\ k:y=m_1x+b_1\ and\ l:y=m_2x+b_2\n\nk\perp l\iff m_1m_2=-1\to m_2=-(1)/(m_1)\n\ntherefore\nthe\ slope\ of\ line\ CD:y-3=-2(x-4)\ is\ m_1=-2\ and\ the\ slope\nof\ a\ line\ prpendicular\ to\ CD\ is\ m_2=-(1)/(-2)=(1)/(2)$

Answer: 1/2

(y-3)=-2(x-4)
(y-3)= -2x+8
y= -2x+11
perpendicular slopes are always reciprocals and opposite so the slope would be
slope=1/2

Can anyone help? i dont understand math :(

Answers

Answer:

Step-by-step explanation:

g(4)= (√25 - 4^2)/ 4 = (√25 - 16)/4 = √9/4 = 3/4

g(-3) = (√25 -(-3)^2)/-3 = (√(25-9)/-3 = (√(16)/-3 = -4/3

h(3) = 30(1.2)^3 = 51.84

h(0)= 30(1.2)^0 = 30(1) =30

Answer:

geogrpahy

Step-by-step explanation:

h = 37

Which type of triangle is formed with the points A(1, 7), B(-2, 2), and C(4, 2) as its vertices?

Answers

We will have to use the distance formula in order to determine the lengths of each side of the triangle.

Distance formula: $\sqrt{(x_(2) - x_(1))^(2) + (y_(2) - y_(1))^(2) }$

Let's calculate AB first:
A (1, 7) and B (-2, 2)
A: x1 = 1 and y1 = 7
B: x2 = -2 and y2 = 2

so
$\sqrt{(-2 - 1)^(2) + (2 - 7)^(2) }$
$\sqrt{(-3)^(2) + (-5)^(2) }$
$√(9 + 25 )$
AB = $√(34)$ or (rounded to the nearest tenth) ≈ 5.8

Now let's do BC:
B: x1 = -2 and y1 = 2
C: x2 = 4 and y2 = 2

So
$\sqrt{(4 - -2)^(2) + (2 - 2)^(2) }$
$\sqrt{(6)^(2) + (0)^(2) }$
BC = $√(36 )$ or 6

Now let's do CA
C: x1 = 4 and y1 = 2
A: x2 = 1 and y2 = 7

So
$\sqrt{(1 - 4)^(2) + (7 - 2)^(2) }$
$\sqrt{(-3)^(2) + (5)^(2) }$
$√(9 + 25)$
CA = $√(34)$ or (rounded to the nearest tenth) ≈ 5.8

So let's recap:

AB ≈ 5.8
BC = 6
CA ≈ 5.8

So AB and AC are the same length while BC is .2 units longer which means this is an isosceles triangle.

Choose the correct simplification of the expression −5x2(4x − 6x2 − 3).30x4 − 20x3 + 15x2
−11x4 − x3 − 8x2
−30x4 + 20x3 − 15x2
30x4 + 20x3 + 15x2

Answers

If you would like to solve -5x^2 * (4x - 6x^2 - 3), you can do this using the following steps:

-5x^2 * (4x - 6x^2 - 3) = (-5x^2) * 4x - (-5x^2) * 6x^2 - (-5x^2) * 3 = -20x^3 + 30x^4 + 15x^2 = 30x^4 - 20x^3 + 15x^2

The correct result would be 30x^4 - 20x^3 + 15x^2.

Answer:

Option A is correct

$30x^4-20x^3+15x^2$