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3 years ago

Determine if the triangles are congruent. If yes, by which theorem?

Mathematics

1 answer:

omeli [17]3 years ago

3 0

I’m pretty sure it’s “yes, SSS”. Since the triangle are congruent, and the little ticks indicate “side”.

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Which of the following does not have a sum of -4?

Basile [38]

(-4) + 8 = 4
(-----------------)

5 0

3 years ago

Dave walked to his friend's house at a rate of 4 mph and returned back biking at a rate of 10 mph. If it took him 18 minutes lon

katrin [286]

Answer:

4 miles

Step-by-step explanation:

Walking:

Distance = d miles

Rate = 4 mph

Time = t hours

$d=4\cdot t$

Biking:

Distance = d miles

Rate = 10 mph

Time $=t-\dfrac{18}{60}=t-0.3$ hours (convert minutes to hours)

$d=10\cdot (t-0.3)$

Hence,

$4t=10(t-0.3)\\ \\4t=10t-3\\ \\4t-10t=-3\\ \\-6t =-3\\ \\6t=3\\ \\t=\dfrac{3}{6}=\dfrac{1}{2}=0.5\ hour$

Therefore, the distance to friend's house is

$d=4\cdot 0.5=2\ miles$

and the total distance of the round trip is

$2+2=4\ miles$

6 0

3 years ago

Solve for x. 4(-2x + 9) = -2(3x - 7)

Gekata [30.6K]

Answer:

x = 11

Step-by-step explanation:

uwu

3 0

3 years ago

Read 2 more answers

Peggy works as a busperson and earns \$7.50/h. She also receives 9\% of the gratuities earned by all the staff. In one week she

krok68 [10]

Answer: $ 436.81

Step-by-step explanation:

Given: Hourly rate for Peggy= $7.50

Also, she receives 9% of the gratuities earned by all the staff.

Total hours she worked = 35 hours

Total gratuities = $1936.80

Gross pay = (Hourly rate ) x (Number of hours worked)+ 9% of (Total gratuities )

= $ [(7.50 ×35)+(0.09 ×1936.80)]

= $ (262.5 +174.31)

= $ 436.81

Hence, her gross pay = $436.81

4 0

3 years ago

If x^2=4 then x=2 pleas help me

pochemuha

$x^2=4\Longrightarrow x=4^{2^{-1}}=4^{\frac{1}{2}}=\sqrt{4}=\boxed{2}$

So the first one is correct which implies that the third one is also correct.

But these are not the only ones.

$2x=2\Longrightarrow x=\dfrac{2}{2}=\boxed{1}$

The last one is also correct.

Hope this helps.

r3t40

6 0

4 years ago