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Ilya [14]
3 years ago
5

(+5) + (−2)[(+3) − (−4)]

Mathematics
2 answers:
Alborosie3 years ago
8 0
According to PEMDAS and knowing that [] these mean that they are enclosing another parenthesis mean that you solve this first the answer is 21
iogann1982 [59]3 years ago
8 0
Use PEMDAS to solve the question
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Write a quadratic function in vertex form whose graph has the vertex
ELEN [110]

Answer:

y = \frac{1}{2}(x - 5)² - 2

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (5, - 2), thus

y = a(x - 5)² - 2

To find a substitute (7, 0) into the equation

0 = a(7 - 5)² - 2

0 = 4a - 2 ( add 2 to both sides )

2 = 4a ( divide both sides by 4 )

a = \frac{2}{4} = \frac{1}{2}

y = \frac{1}{2} (x - 5)² - 2 ← in vertex form

4 0
3 years ago
What is the reciprocal of 2/3​
galina1969 [7]

Answer:

3/2 or 1 and a half

hope it helps.

just sitting here waiting for brainliest........

7 0
3 years ago
Explain how finding 7x20 is similar to finding 7 x 2,000. Then find each product
Sphinxa [80]
7×20 and 7×2000 are similar. The amount of zeros are the dependent factor.

7×20= 140
7×2000= 14000

The base equation is 7×2=14
Any additions of zeroes in this formula will be added at the end result.

Ex.
7×2=14
7×20=140
7×200=1400
70×200=14000
700×200=140000
5 0
3 years ago
Which equivalent fractions can you use to find the difference of 5 and 3/12 and 1 and 4/9
Gala2k [10]

For 5-3/12 the equivalent expression is 60/12-3/12 And then for 1-4/9 the equivalent expression 9/9-4/9

4 0
3 years ago
This holiday season, Ms. Bastarache organized to give each 9th grader a $10 Dunkin Donuts gift card. Because she bought a lot of
Mila [183]

Answer:

1. $950

2. 80

Step-by-step explanation:

8 0
3 years ago
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