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prisoha [69]
3 years ago
6

How do I evaluate 4 (4x4) + 3 (3x3) please help I only have until tomorrow to finish :(

Mathematics
1 answer:
rjkz [21]3 years ago
4 0

Answer: 91

Step-by-step explanation:

  4 (4 x 4) + 3 (3 x 3)

= 4 (16) + 3 (3 x 3)

= 64 + 3 (3 x 3)

= 64 + 3 (9)

= 64 + 27

= 91

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How tall is the tower?
Karo-lina-s [1.5K]

Answer:

  • 93.6 ft

Step-by-step explanation:

\bf \cfrac{AB}{BC}  =  \tan(60)

  • \bf \cfrac{x}{50}  =  \sqrt{50}
  • \bf x = 50 \sqrt{3}

Length of tower:-

  • \bf x + 7
  • \bf 50 \sqrt{3}  + 7
  • \bf 93.6025
  • \bf = 93.6

Therefore, the tower is 93.6ft tall.

<u>-------------------------------------------</u>

5 0
2 years ago
Oe paid \$18.60$18.60dollar sign, 18, point, 60 in sales tax and tips for her dinner. The sales tax rate is 11\%11%11, percent,
snow_tiger [21]

Answer: The price of Zoe's dinner before sales tax and tips is $13.96.

Step-by-step explanation:

Since we have given that

Amount Zoe paid after sales tax and tip = $18.60

Let the price before tax be 'x'.

Rate of sales tax = 11%

So, it becomes,

\frac{11}{100}\times x\\\\=0.11x

So, Amount after tax, our equation, becomes,

x+0.11x=\$18.60\\\\1.11x=\$18.60\\\\x=\frac{18.60}{1.11}\\\\x=\$16.75

Now, let the amount before tips be 'y'.

Rate of tips = 20%

So, it becomes,

\frac{20}{100}\times y\\\\=0.2y

So, After tips it becomes,

y+0.2y=\$16.75\\\\1.2y=\$16.75\\\\y=\frac{16.75}{1.2}\\\\y=\$13.96

Hence, The price of Zoe's dinner before sales tax and tips is $13.96.

7 0
3 years ago
What is greater -2 3/4 or -2.35
Ksju [112]
(It is -2.35\)//ttfgfggg
6 0
3 years ago
Read 2 more answers
I have no clue on this one either
taurus [48]

Answer:

Area of the triangle = 210 cm^2 .

Step-by-step explanation:

Perimeter of triangle = 4x + 1 + 3x - 1 + 3x = 70

10x = 70 - 1 + 1 = 70

x = 7.

Area A = 1/2 * base * height

= 1/2 * 3x * (3x - 1)

= 1/2 * 3(7) * (3(7)  -1)

= 1/2 * 21 * 20

= 210.

4 0
2 years ago
It costs $9 to travel 60 miles. Find the unit rate (cost per mile). Write your answer as a decimal (do not include labels).
Lana71 [14]

Answer:

6.6

Step-by-step explanation:

use a calculator to find your answers it works well

3 0
3 years ago
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