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SVETLANKA909090 [29]
3 years ago
10

The Lions won 21 games last year. This year the Lions won 30 games. What is the percent increase in the number of games the Lion

s won from last year to this year?
Mathematics
2 answers:
zalisa [80]3 years ago
6 0
42.85714285
Calculator

vichka [17]3 years ago
6 0
30/21 = 1.42857...
(1-.142857..)x100 = 42.86% (Rounded to 2 d.p.)

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Please explain
BartSMP [9]
24-3x=-27
-24 -24
-3x=-51
— —
-3 -3

X=17
7 0
3 years ago
Can you conclude from the figure that ABC is similar to DEF? Explain.​
pishuonlain [190]

Answer:

Yes, we can conclude that Triangle ABC is similar to triangle DEF because the measures of the 3 angles of both triangles are congruent.

Step-by-step explanation:

We have the measure of 2 angles from both triangles, and we know that triangles have 180°, so we can solve for the measure of the third angle for both triangles.

Triangle ABC:

Measure of angle A= 60°

Measure of angle C= 40°

Measure of angle B = 180°- (measure of angle A + measure of angle C) = 180° - (60° + 40°) = 80°

Triangle DEF

Measure of angle E= 80°

Measure of angle F= 40°

Measure of angle D= 180° - (measure of angle E + measure of angle F) = 180° - (80° + 40°) = 60°

The measures of the angles in Triangle ABC are: 60°, 40°, and 80°.

The measures of the angles in Triangle DEF are: 60°, 40°, and 80°.

Since the measure of 3 angles of the two triangles are the same, we know that the two triangles are similar.

8 0
3 years ago
Element X decays radioactively with a half-life of eight minutes. If there are 800 g of element X, how long, to the nearest 10th
Harman [31]

Answer: 41.5 min

Step-by-step explanation:

This problem can be solved with the Radioactive Half Life Formula:  

A=A_{o}.2^{\frac{-t}{h}} (1)

Where:  

A=22 g is the final amount of the radioactive element

A_{o}=800 g is the initial amount of the radioactive element  

t is the time elapsed  

h=8 min is the half life of the radioactive element  

So, we need to substitute the given values and find t from (1):  

22 g=(800 g) 2^{\frac{-t}{8 min}} (2)  

\frac{22 g}{800 g}=2^{\frac{-t}{8 min}} (3)  

\frac{11}{400}=2^{\frac{-t}{8 min}} (4)  

Applying natural logarithm in both sides:  

ln(\frac{11}{400})=ln(2^{\frac{-t}{8 min}}) (5)  

-3.593=-\frac{t}{8 min}ln(2) (6)  

Clearing t:

t=41.46 min \approx 41.5 min This is the time elapsed

7 0
3 years ago
If two triangles are similar, which pair of conditions must be true?
SVEN [57.7K]
I think its sides ae congruent and sides are congruent
6 0
3 years ago
HELP ASAPP PLS?! PLSSSSSSSS
Allushta [10]

Answer:

C

Step-by-step explanation:

The Slope of 1 is 1.5

The Slope of 2 is 1

The y-intercept of 1 is 3.5

the y-intercept of 2 is 3.5

5 0
3 years ago
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