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Svetlanka [38]
3 years ago
9

১২, ১৫, ২০, ৩৫ চারটি সংখ্যা

Mathematics
2 answers:
Serjik [45]3 years ago
8 0

Answer:

uhmm...

Step-by-step explanation:

Stels [109]3 years ago
5 0
What are you saying
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Decompose 35×10 to get an answer of 350
lapo4ka [179]
I hope this helps you 35×10=5×7×2×5 25×14=350
8 0
3 years ago
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Is x^2-49 a difference of two squares?
Svet_ta [14]
Yes! To factor this, you would put it into expanded form: (x+7)(x-7). This is the only way to solve this and eliminate the x^1 term.
4 0
3 years ago
The lateral area of a regular pyramid with an octagonal base is 109.9 cm2. If the slant height is 6.7 cm, find the length of one
irga5000 [103]

Given pyramid with octagonal base. Image of the pyramid attached below:

We know the formula of Lateral Area of pyramid = \frac{1}{2} pl

where p represent the perimeter of the octagonal base

and l represent the slant height of the pyramid.

109.9 = \frac{1}{2}*p*6.7

Solve for p

p = 32.81 cm

Perimeter of octagonal base (all sides are same) = 8*s

where s represent the side of octagon

8s = 32.81

Solve for s

s = 4.1 cm

Side of the octagon = 4.1cm (option D)

3 0
3 years ago
A student has a savings account earning 3% simple interest. She must pay $1900 for first-semester tuition by September 1 and $19
Anastaziya [24]

Answer:

$3781.19

Step-by-step explanation:

Let us assume that the student has to earn $(1900 + x) by September 1 so that he can pay the $1900 tuition fee by September 1 and the remaining $x will grow at 3% simple interest to make him able to pay another tuition fee of $1900 by January 1.

So, we can write x( 1 + \frac{4 \times 3}{12 \times 100}) = 1900

{Because September 1 to January 1 is 4 months and the monthly simple interest rate is \frac{3}{12}%}

⇒ 1.01x = 1900

⇒ x = $1881.19 (Rounded to the nearest cents)

Therefore, the student has to earn $(1900 + 1881.19) = $3781.19 (Answer)

8 0
3 years ago
Surface area of a solid figure can be found by multiplying the area of the base by the height of the figure.
iVinArrow [24]

Answer:

Surface area of a solid figure can be found by multiplying the area of the base by the height of the figure.

<em><u>it's false </u></em>

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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