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Bezzdna [24]
3 years ago
9

How many pairs of whole numbers equal a sum of 40

Mathematics
1 answer:
spayn [35]3 years ago
4 0
There are infitine pairs


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1/2expand the equation 1/2(3+4t-10)=
Ivanshal [37]

\frac{1}{2} (3 + 4t - 10)

\frac{3}{2}  +  \frac{4t}{2}  -  \frac{10}{2}

(\frac{3}{2}  -  \frac{10}{2})  + 2t

\frac{ - 7}{2}  + 2t

- 3.5 + 2t

8 0
3 years ago
The base of a regular pyramid is a hexagon. The figure shows a regular hexagon with center C. An apothem is shown as a dashed se
tatuchka [14]
Answer: 294√3

Explanation:


1) The described hexagon has these featrues:
a) 6 congruent equilateral triangles whose side lengths measure 14
b) height of each triangle = apotema = a
c) the area of each triangle is base × a / 2 = 14 × a / 2 = 7a


2) a is one leg of a right triangle whose other leg is 14 / 2 = 7, and the hypotenuse is 14.

3) Then you can use Pythagorean theorem fo find a:

14² = 7² + a² ⇒ a² = 14² - 7² = 147 ⇒ a = √ 147 = 7√3

4) Therefore, the area of one triangle is: 14 × 7√3  / 2 = 49√3

5) And the area of the hexagon is 6 times that: 6 × 49√3 = 294√3
8 0
3 years ago
Please solve this for me thank you!
melamori03 [73]

Answer:

620.14

Step-by-step explanation:

Original Equation:

\frac{4y}{1.025^4}+y-2y(1.05)^2=1500

Calculate exponents

\frac{4y}{1.103812890625}+y-2y(1.1025)=1500\\

Simplify:

3.6238025791990193084270042653997y + y - 2.205y = 1500

Add like terms

2.4188025791990193084270042653997y \approx 1500

Divide both sides by 7.012

y\approx 213.91y\approx620.14

6 0
2 years ago
Read 2 more answers
Hailey, Megan, and Bailey have saved $458 for a summer trip to the beach. Hailey has saved $167. Megan has saved at least $152,
Jet001 [13]
Let H = Hailey, M = Megan, B = Bailey

H + M + B = 458
167 + M + B = 458
M + B = 291

152 ≤ M ≤ 164
If M = 152, B = 139
If M = 164, B = 127

Thus,
$127 ≤ B ≤ 139
4 0
3 years ago
What Is the distance between the points <br><br> (5,2) and (5,18)?
Delvig [45]
The distance between (5,2) and (5,18) is (0,16)

4 0
3 years ago
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