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3 years ago

4x - t = a Solve for x

Mathematics

2 answers:

Bogdan [553]3 years ago

7 0

Answer: 12

Step-by-step explanation:

goblinko [34]3 years ago

6 0

Answer:

I hope this helps Mark me brainlist

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Just the 3rd and 4th plz help me

svlad2 [7]

Answer:

Step-by-step explanation:

Now the key here is manipulating the scale:

For 3 every 2cm = 15mi

Divide by 2 so every 1cm = 7.5mi

So if we had 16.27cm then that would equal 16.27 x 7.5 = 122.025mi on the actual scale

Same for 4: if 1/2cm = 20mi

Then multiply times 2 and every 1cm = 40mi

So 11.73cm x 40 = 469.2mi on the actual scale

Hopefully this is right and it helps!

8 0

4 years ago

Question 1

Lunna [17]

Answer:

1)x=21.33

2)Height of tree is 20 m

Step-by-step explanation:

Question 1

ΔABC ≈ΔADE

Property of similar triangles :Corresponding sides of similar triangles are all in the same proportion

So, $\frac{AB}{AD}=\frac{BC}{DE}\\\frac{AB}{AB+BD}=\frac{BC}{DE}\\\frac{12}{12+6}=\frac{x}{32}\\\frac{12}{18}=\frac{x}{32}\\\frac{12}{18} \times 32 =x\\21.33=x$

Question 2: Find the height of tree

ΔDEF ≈ΔDHI

Property of similar triangles :Corresponding sides of similar triangles are all in the same proportion

So, $\frac{DE}{DH}=\frac{EF}{HI}\\\frac{3}{30}=\frac{2}{HI}\\HI=\frac{2 \times 30}{3}\\HI=20$

Hence The height of tree is 30 m

4 0

3 years ago

Solve.<br><br>10.8 - (-6.4) ×3

Artist 52 [7]

Answer:

51.6

Step-by-step explanation:

10.8 - -6.4 is 17.2

17.2 x 3 is 51.6

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3 years ago

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What is standard form?

igor_vitrenko [27]

Ax+by=c but A can't be lower than one and can't be a negative

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3 years ago

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Jonathan's family took a road trip to the Grand Canyon. Jonathan fell asleep after they had travelled 260 miles. If the total le

kipiarov [429]

He was awake for 65% and then fell asleep for the remaining 35%.

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3 years ago