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pychu [463]
4 years ago
12

Zack had a grade of 90% on his geography test. If there were 70 points possible on the

Mathematics
2 answers:
sasho [114]4 years ago
7 0

Answer:

63 points

Step-by-step explanation:

70(.9)

63

olya-2409 [2.1K]4 years ago
6 0

Answer:

<h2><em><u>Brainliest plz</u></em></h2>

Step-by-step explanation:

70 points total

90% of the 70 points

70 x 90% = <u>63</u>

or

70 x 0.90 = <u>63</u>

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Which of these grids is shaded red and blue in the ratio 1:2?
Sholpan [36]
Total squares= 12

1x + 2x = 12

3x = 12

3x/3 = 12/3

x = 4


1x4 = 4

2x4 = 8

So. C is the answer
8 0
3 years ago
Which equation can be solved by using this system of equations?
laila [671]
If you observe the two given equations, the left hand side of both equation is the same and is equal to y.

Since the left hand side of two equations is the same, we can conclude that the right hand side of two equations must also be the same. 

So, setting them right hand sides of both equations equal to each other and solving for x, we can find the solution to the simultaneous equations.

Therefore, the correct answer is option B
8 0
4 years ago
Read 2 more answers
Classify the following into monomials, binomial and trinomials.
Degger [83]
  • A monomial is an expression containing a single term.
  • A binomial is an expression having two terms.
  • A trinomial is an expression having three terms.

  1. Here -6 is a monomial having a single term -6.
  2. -5 + x is a binomial containing two terms -5 and x.
  3. 32x - y is a binomial having two terms 32x and -y.
  4. 6x² + 5x - 3 is a trinomial having three terms 6x², 5x and -3.
  5. z² +2 is a binomial having two terms z² and 2.

<u>Answers</u>

  1. <u>monomial</u>
  2. <u>binomial</u>
  3. <u>binomial</u>
  4. <u>trinomial</u>
  5. <u>binomial</u>

Hope you could understand.

If you have any query, feel free to ask.

5 0
2 years ago
The ratio of the number of boys to the number of girls in a choir is 5 to 4. There are 60 girls in the choir. How many boys are
Korvikt [17]

Let the number of boys and the number of girls be 5x and 4x

Number of girls = 4x = 60

x = 15

Number of boys = 5x

= 5× 15

= 75 boys

5 0
3 years ago
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Population growth can be modeled using the formula P=Cr^t where C is the initial population, r is the growth factor, and t is th
Tju [1.3M]
C=100
r = 2
t = 4

P = 100*2^4 = 1600

The population of mice will be 1600 in four years.
7 0
3 years ago
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