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Serjik [45]
3 years ago
12

11x+4<15 or 12x-7>-25

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
5 0

Answer:

Its A i just took the test

Step-by-step explanation:

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What is the length of the diagonal of a square with side lengths 7 square root of 2 ? round to the nearest tenth if necessary?
mr_godi [17]
There is 2 ways to solve this type of question.

Method 1
--------------------------------------------------
Formula
--------------------------------------------------
a² + b² = c²

--------------------------------------------------
Apply the formula
---------------------------------------------------
(7√2)² + (7√2)² = c²
c² = 98 + 98
c² = 196
c = √196
c = 14

--------------------------------------------------
Ans: The diagonal length is 14cm 
--------------------------------------------------

_____________________________________________________________

Method 2
--------------------------------------------------
Identify the triangle
--------------------------------------------------
This is a special triangle
45° - 45° - 90°

--------------------------------------------------
Property of the Angles 
--------------------------------------------------
x - x - x√2

--------------------------------------------------
Find hypotenuse
--------------------------------------------------
Given that the non-hypotenuse is 7√2

Hypotenuse =  (7√2)(√2)
Hypotenuse =  7 x 2
Hypotenuse = = 14cm

--------------------------------------------------
Ans: The diagonal length is 14cm 
--------------------------------------------------

6 0
3 years ago
Maka made $45,670 last year.
Luba_88 [7]
You need the percentages to answer the question
7 0
3 years ago
The average weight of the top 5 fish at a fishing tournament was 13.6 pounds. Some of the weights of the
lapo4ka [179]

Answer:  Carla P.  15.1

Step-by-step explanation:

6 0
3 years ago
Name two points on a line that has a slope of 5 over 8.
GREYUIT [131]
Y=mx+b ....formula of slope

m refers to slope and b is intercept,,,so this become equation of y.
now answer,
y=5/8x+b 
6 0
3 years ago
Bert and Eamie ran the 100-meter dash. The difference of their times was 1.5 seconds. If Bert win the race in a time of 12.6 sec
Bingel [31]

Answer:

Ernie's time is 11.1 seconds

Explanation:

If Bert won the race with the time of 12.6 and the time difference is 1.5, this means Ernie's time was 1.5 seconds less than 12.6.

12.6

−

1.5

=

11.1

5 0
3 years ago
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