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jok3333 [9.3K]
3 years ago
8

PLEASE HELP ASAP!!!!

Mathematics
1 answer:
stiks02 [169]3 years ago
4 0

Answer:

see below    PLEASE GIVE BRAINLIEST

Step-by-step explanation:

rate on a still sidewalk: 49 ÷ 7 = 7 ft per second

rate on moving sidewalk:  77 ÷ 7 = 11 ft per second

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Are the two triangles below similar?
Luda [366]

Answer :- Yes the two triangles are similar because there are two pairs of congruent corresponding angles.

Explanation:-

In Δ ABC

∠A=30° , ∠C=65 °

By angle sum property of triangle

∠A + ∠B + ∠C= 180°

⇒∠B= 180°-∠A-∠C=180°-30°-65°=85°

⇒∠B=85°

Now in ΔABC and ΔDEF

∠A=∠D=30° and ∠B=∠E=85°

⇒ there are two pairs of congruent corresponding angles.

So by AA-similarity criteria

ΔABC ≈ ΔDEF




3 0
3 years ago
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A pottery school wants to study whether the glaze of stoneware bowls is affected by the temperatures used to harden the bowls. T
andrey2020 [161]

Answer:

A randomized block design. Randomly assign temperatures so that 2 bowls of each clay type are glazed at each temperature.

Step-by-step explanation:

4 0
3 years ago
What is the answer? (Number 8)
barxatty [35]
A mode is the most often occurring number, so the answer is 14
8 0
3 years ago
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The amount of energy it takes to lift a box might be a function of which of the following?
shtirl [24]
B. because it doesn't mater the shop but whats inside the box

6 0
3 years ago
What’s the total power in a circuit with a current of 4A and a resistance of 12 ohm?
Tema [17]

Power = Current *Voltage  

You already have the current, but not the voltage.  

But you are given resistance, and you know that  

Voltage=Current*Resistance  

Therefore  

V=I*R=4*12=48V  

So you have 48V  

Now you can figure out the Power  

P=I*V=4*48=192W  

Therefore you have 192W.

hope this helps

8 0
3 years ago
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