1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
rewona [7]
3 years ago
7

Please help me there due tonight!!! All help is appreciated.

Mathematics
1 answer:
Sveta_85 [38]3 years ago
4 0

Answer:

1. 160cm²

2. 176.25cm²

3. 33.75ft²

Step-by-step explanation:

Area triangle = (1/2)(base)(height)

1)

total area = 2(area small triangle) + 2(area big triangle)

= 2(0.5(8)(9))+2(0.5(8)(11))

=72+88=160cm²

2)

total area = 2(area small triangle) + 2(area big triangle)

= 2(0.5(7.5)(7.5))+2(0.5(7.5)(16))

= 56.25 + 120 = 176.25cm²

3)

total area = 2(area small triangle) + 2(area big triangle)

= 2(0.5(4.5)(2.5))+2(0.5(4.5)(5))

= 11.25+22.5 = 33.75ft²

You might be interested in
0.0000000005 in scientific notation
Rus_ich [418]

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

6 0
3 years ago
Jared started a new job. On the first day he had orientation and worked for 2 hours. On the second day he trained for 4 hours. A
tresset_1 [31]

Answer:

Jared worked 11 days as full 8-hour days.

Step-by-step explanation:

We have:

First day = 2 h

Second day = 4 h

After that = 8 h each day    

Since his paycheck shows 94 hours of work, we can find the number of days that he works 8-hour day:

94 h = 2 h + 4 h + 8 h*x

Where x is the number of days that he works 8-hours.

8 h*x = 88 h

x = \frac{88 h}{8 h} = 11

 

Therefore, Jared worked 11 days as full 8-hour days.

I hope it helps you!                                              

5 0
3 years ago
Answer pls 30 points <br> What is the value of the expression?<br><br> 75÷5−[(9−7)×3]×2
NemiM [27]

Answer:

3

Step-by-step explanation:

75 /5 −[(9−7)(3)](2)

=15−[(9−7)(3)](2)

=15−[(2)(3)](2)

=15−(6)(2)

=15−12

=3

8 0
4 years ago
The combined math and verbal scores for females taking the SAT-I test are normally distributed with a mean of 998 and a standard
WARRIOR [948]

Answer: There is 64.8% of females do not satisfy that requirement.

Step-by-step explanation:

Since we have given that

Mean = 998

Standard deviation = 202

We need to find the percentage of females do not satisfy that requirement.

If a college includes a minimum score of 1025 among its requirements,

So, it becomes,

P(X

Hence, there is 64.8% of females do not satisfy that requirement.

3 0
3 years ago
Solve the simultaneous equation<br> 3x + y = 8<br> x - 3y = 11
podryga [215]

Answer:

x = 7 / 2, y = - 5 / 2

Step-by-step explanation:

3x + y = 8 ------> equation 1

3 ( 3x + y = 8 )

9x + 3y = 24 ------> equation 2

x - 3y = 11 ------> equation 3

Add equations 2 & 3,

9x + 3y = 24

x - 3y = 11

_________

10x + 0 = 35

10x = 35

x = 35 / 10

x = 3.5

Substitute x = 3.5 in equation 1,

3x + y = 8

3 ( 3.5 ) + y = 8

10.5 + y = 8

y = 8 - 10.5

y = - 2.5

x = 3.5

= 35 / 10

x = 7 / 2

y = - 2.5

= - 25 / 10

y = - 5 / 2

7 0
3 years ago
Other questions:
  • Which table shows ordered pairs that satisfy the function y=x2+1
    7·2 answers
  • For a sample of 100 students, the median number of text messages sent per day is 90, the first quartile is 78, and the third qua
    11·1 answer
  • How do i find a vertex of a parabola
    7·1 answer
  • 1. what is the Quadratic Formula? When is the most appropriate situation to use formula?
    13·1 answer
  • The value of (2 x 10^4) + (9 x 10^4) - (3 x 10^3) in scientific notation?
    10·1 answer
  • <img src="https://tex.z-dn.net/?f=%5Cfrac%7B5%7D%7B8%7D" id="TexFormula1" title="\frac{5}{8}" alt="\frac{5}{8}" align="absmiddle
    9·1 answer
  • What is the solution to the equation –3m = 27 - 6m?
    12·2 answers
  • What the missing side angles
    7·2 answers
  • What is the lowest positive common multiple of 14<br> and 50 ?
    14·1 answer
  • michelle bought 4 gallons of grape juice and 5 gallons of apple juice for a party what is the ratio of gallon of apple juice to
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!