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vlada-n [284]
3 years ago
13

White an expression that is equivalent to 3(7 + x )​

Mathematics
2 answers:
nignag [31]3 years ago
8 0

Answer:

21+3x

Step-by-step explanation:

alexandr402 [8]3 years ago
6 0

Answer:

21 + 3x

Step-by-step explanation:

Use the distributive property to multiply each of the umber by 3 and then you will get 21 + 3x

Hope this helps :)

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I need help with this
kondor19780726 [428]

Answer:

124 degrees

Step-by-step explanation:

x=24 so if you plug in the value and solve it is 124 degrees

3 0
3 years ago
!!Plz urgent help!!
Firdavs [7]

Answer:

890 beads can be fitted in the triangular prism.

Step-by-step explanation:

If we can fill the spherical beads completely in the triangular prism,

Volume of the triangular prism = Volume of the spherical beads

Volume of triangular prism = Area of the triangular base × Height

From the picture attached,

Area of the triangular base = \frac{1}{2}(\text{Base})(\text{Height})

                                             = \frac{1}{2}(AB)(BC)

By applying Pythagoras theorem in the given triangle,

AC² = AB² + BC²

(13)² = 5² + BC²

169 = 25 + BC²

BC² = 144

BC = 12

Area of the triangular base = \frac{1}{2}(5)(12)

                                             = 30 cm²

Height of the triangular prism = 18 cm

Volume of the triangular prism = 30 × 18

                                                   = 540 cm³

Volume of one spherical bead = \frac{4}{3}\pi r^{3}

                                                   = \frac{4}{3}\pi (0.525)^{3}

                                                   = 0.606 cm³

Let there are 'n' beads in the triangular prism,

Volume of 'n' beads = Volume of the prism

540 = 0.606n

n = 890.90

n ≈ 890

Therefore, 890 beads can be fitted in the triangular prism.

3 0
3 years ago
Right answer please
GaryK [48]

Answer: 7.012 x 10−8 ==> Option 3

Step-by-step explanation:

(3.012 x 10−8) + (4 x 10−8)=

(3.012+4) x 10−8=

(3.012+4.000) x 10−8=7.012 x 10−8 ==> Option 3

8 0
1 year ago
What is the solution to 8(2^x+3)=48
mr_godi [17]

Answer:

Done

Step-by-step explanation:

8(2÷x+3)

16÷8x+24

6 0
3 years ago
Read 2 more answers
Will ran four miles on his first day of training.The next day he ran one-third that distanceHow far did he run the second day?
sineoko [7]
<span>Will ran 1.33333333333 miles on his second day of training.</span>
3 0
3 years ago
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