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mr_godi [17]
3 years ago
15

What's 1207 divide by 7

Mathematics
2 answers:
Vikentia [17]3 years ago
8 0
1207 divided by 7 is equal to 172.4286
wlad13 [49]3 years ago
8 0
It is
172.4 im pretty sure


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Grayson biked 45 miles in 3 hours. Maya biked 26 miles in 2 hours. If they both kept a constant speed, how much faster did Grays
pantera1 [17]

Answer:

Grayson biked at a speed of 15 mph. Maya biked at a speed of 13 mph.

Grayson biked 2 mph faster than Maya.

Step-by-step explanation:

45/3 = 15

26/2 = 13

6 0
2 years ago
How can i solve this<br> (x+2)(2x+3)<br> step by step please
MrRissso [65]

Answer:

2x² + 7x + 6

Step-by-step explanation:

To solve this polynomial, you need to distribute/multiply, (x+2) with (2x+3).

You would first multiply (x) with 2x and 3. This would give you 2x² and 3x. You would then multiply 2 with 2x and 3. This would give you 4x and 6. You then add the like-terms, which are 3x and 4x, which gives you 7x. This would give you your final expression of 2x² +7x + 6.

(x+2)(2x+3)

2x²+ 3x + 4x + 6

2x² +7x + 6

6 0
3 years ago
Read 2 more answers
If x=2 calculate : x2*x
lions [1.4K]
2 * 2 * 2 * 2
4 * 2 * 2
8 * 2
16
5 0
3 years ago
If the volume of a full sphere is 4/3 x pi x radius cubed, what is the volume of a half sphere, also called a hemisphere?
Lady bird [3.3K]
The formula for a hemisphere is: 2/3 π r

if there was a problem to solve, i would be happy to do it.
7 0
3 years ago
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joe has a ring weighing 14 grams made of an alloy of 14 % silver and the rest gold. he decides to melt down the rings and add en
Nataliya [291]

With the help of the ratio method, we conclude that 72 grams of sugar should be added.

<h3>What is Ratio Method?</h3>
  • In the ratio method, we compare two quantities by equating their two ratios; this equation is also referred to as a proportion.
  • The cross-multiplication method will be used to solve it.

So, 'n=5' will be the number of rings.

  • 'w = 18 grams' will be the weight of each ring.
  • Total weight: w₀ = n × w = 5 × 18 = 90 grams

Let 's' be silver. Then,

  • New weight: wₙ = s + 90
  • Old % of gold: p₀ = 90% = 0.9
  • New % of gold: pₙ = 50% = 0.5

Now, use the ratio method as follows:

  • \frac{w_o}{w_n}=\frac{p_n}{p_o}
  • \frac{90}{s+90}=\frac{0.5}{0.9}
  • 90 × 0.9 = 0.5 × (s + 90)
  • 81 = 0.5s + 0.5 × 90
  • 81 = 0.5s + 45
  • 81 - 45 = 0.5s
  • 36 = 0.5s
  • 36/0.5 = s
  • 72 = s
  • So, s = 72

Therefore, with the help of the ratio method, we conclude that 72 grams of sugar should be added.

Know more about Ratio Method here:

brainly.com/question/26027272

#SPJ9

The correct question is given below:
A jeweler has five rings, each weighing 18 grams, made of alloys of 10% silver and 90% gold. He decides to melt down the rings and add enough silver to reduce the gold content to 50%. How much silver should he add?

3 0
1 year ago
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