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Strike441 [17]
3 years ago
5

What is 8/9 x 7/8 ? Please help!!!

Mathematics
2 answers:
taurus [48]3 years ago
7 0
The answer is 7/9 or in decimal form, 0.777...

You can do this problem by multiplying the two numerators and the two denominators. In this case, there's an 8 in the numerator of the first fraction, and another 8 in the denominator of the second fraction, so they can cancel each other out, leaving you with 7/9.

Hope this helped!! xx
Lostsunrise [7]3 years ago
4 0
56/72 = 28/36= 14/18= 7/9
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What additional information is needed to determine that ΔABC ≅ ΔEDC using the HL method of congruence? answers: A) ≅ B) No addit
Savatey [412]

Answer:

AC congruent to EC

Step-by-step explanation:

This problem is asking specifically to prove triangles congruent using HL.

HL is a method of proving triangles congruent. HL stands for Hypotenuse-Leg. If you can show that the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg, respectively, of another triangle, then the triangles are congruent.

Looking at triangle ABC and EDC, we see that the legs AB and ED are congruent. We already have a pair of corresponding congruent legs. Now we need a pair of hypotenuses.

You need AC congruent to EC.

7 0
3 years ago
Evaluate and simplify the following complex fraction.
aniked [119]
<h3>Answer:  -22/7</h3>

=========================================================

Explanation:

The fraction 6/(-7) is the same as -6/7

We have the two fraction -6/7 and 3/11 being divided

The denominators are 7 and 11 respectively.

The LCM of those two numbers is 77 since 7*11 = 77

If we multiply each of those fractions (-6/7 and 3/11) by 77, then we'll clear out those inner denominators to simplify this complex fraction into a nicer one.

77*(-6/7) = -66

77*(3/11) = 21

This means the original complex fraction becomes -66/21

We can further simplify this by dividing each part by the GCF 3

-66/3 = -22

21/3 = 7

Therefore, the final answer is -22/7

6 0
3 years ago
Whats 6 X 1 X + 5 X 1/10 in standard form and someone pls
Galina-37 [17]
The standard form of 6x1x5x1/10 =3 x 10 ^0, any number raised to the power of 0 is 1 so 1 x 3 = 3
3 0
3 years ago
Can anyone help me with these question
Kazeer [188]
So hmm notice the picture below

a)

the center of the circle is the midpoint of those two folks

\bf \textit{middle point of 2 points }\\ \quad \\&#10;\begin{array}{lllll}&#10;&x_1&y_1&x_2&y_2\\&#10;%  (a,b)&#10;&({{ -10}}\quad ,&{{ -2}})\quad &#10;%  (c,d)&#10;&({{ 4}}\quad ,&{{ 6}})&#10;\end{array}\qquad&#10;%   coordinates of midpoint &#10;\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)&#10;\\\\\\&#10;\left(\cfrac{4-10}{2}\quad ,\quad \cfrac{6-2}{2} \right)\impliedby \textit{center of the circle}

b)

the diameter is the distance between P and Q, or the length  of that segment, and the radius is half the diameter

\bf \textit{distance between 2 points}\\ \quad \\&#10;\begin{array}{lllll}&#10;&x_1&y_1&x_2&y_2\\&#10;%  (a,b)&#10;&({{ -10}}\quad ,&{{ -2}})\quad &#10;%  (c,d)&#10;&({{ 4}}\quad ,&{{ 6}})&#10;\end{array}\quad &#10;%  distance value&#10;d = \sqrt{({{ 4}}-{{ (-10)}})^2 + ({{ 6}}-{{ (-2)}})^2}&#10;\\\\\\&#10;d=\cfrac{\sqrt{(4+10)^2+(6+2)^2}}{2}\impliedby \textit{radius of the circle}

c)

so, from a), you found the h,k coordinates for the center, from b) you've got the radius

so, just plug them in here then \bf \textit{equation of a circle}\\\\ &#10;(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2&#10;\qquad &#10;\begin{array}{lllll}&#10;center\ (&{{ h}},&{{ k}})\qquad &#10;radius=&{{ r}}&#10;\end{array}


4 0
3 years ago
in one town, 76% of adults have health insurance. what is the probability that 7 adults selected at random from the town all hav
ad-work [718]

Answer:

15% probability that 7 adults selected at random from the town all have health insurance.

Step-by-step explanation:

(sample/population)^number of times selected

(76/100)^7 = (0.76)^7 = 0.15 = 15%

7 0
3 years ago
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