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
suter [353]
3 years ago
14

Work out the answers to: a) 7 x(-4) b) (-6) x 8 c) (-5) × (-9)

Mathematics
1 answer:
Inga [223]3 years ago
4 0

Answer:

A=-28 B=-48 C=45

Step-by-step explanation:

-(7x4)= -28 so your first step is multiply the positive and the negative equals a negative (+)x(-)=(-) second is to multiply the numbers

-(6)x8= -28 same steps for the first

(-5)x(9) convert it to 5x9=45

You might be interested in
Solving proportion 10\8=n\10
Zanzabum
\frac { 10 }{ 8 } =\frac { n }{ 10 } \\ \\ 10\cdot \frac { 10 }{ 8 } =\frac { n }{ 10 } \cdot 10\\ \\ \frac { 100 }{ 8 } =n

\\ \\ n=\frac { 4\cdot 25 }{ 4\cdot 2 } \\ \\ \therefore \quad n=\frac { 25 }{ 2 }
6 0
3 years ago
Read 2 more answers
What is x for the the problem y=6x + 8
Misha Larkins [42]
If Y is 8, we solve by subtracting 8 on both sides,

0 = 6x

Divide by 6,

0 = x

x is equal to 0
5 0
3 years ago
HELPP!! PLEASE ITS DUE SOON
Debora [2.8K]

Answer:

100%

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A math class has 3 girls and 7 boys in the 7th grade and 5 girls and 5 boys in the 8th grade the teacher randomly selects a seve
Minchanka [31]
In the 7th and 8th grade combined, there 3+5 girls = 8 girls, and 7+5 boys = 12 boys. If there are only boys and girls, then there are 12+8=20 students in all. 

The fraction of girls out of the total is P = 8/20 = 2/5.
8 0
3 years ago
Real World Percentages: Roman went shopping for school
Crank
Roman will have to pay $89.67 for his school supplies.
Since you needed help, I’ll show you my work so you know for next time:

85.40 (.05) = 4.27
85.40 + 4.27
= 89.67

I hope this helps :)

8 0
3 years ago
Other questions:
  • C = d where C is the circumference of a circle, is about 3.14, and d is the diameter.
    6·1 answer
  • WILL GIVE BRAINLIEST, WORTH 30 POINTS!!
    10·2 answers
  • 10. You used 8 cups of sugar while baking three dozen cookies and one cake. If you used 1.25 cups of sugar for the cake and the
    9·1 answer
  • A number cube with faces labeled 1 to 6 is rolled once. The number rolled will be recorded as the outcome. Consider the followin
    6·2 answers
  • Multiplies to -294 but adds to 7
    14·1 answer
  • Compute the exact interest on $5,870 at 12% if the money is borrowed from June to December of the same year.
    6·1 answer
  • Which of the following is the solution to the equation 25(z − 2) = 125? (6 points)
    13·1 answer
  • The rate (in mg carbon/m3/h) at which photosynthesis takes place for a species of phytoplankton is modeled by the function P = 8
    11·1 answer
  • Select all the expressions that are equivalent to .
    14·1 answer
  • Help with this math question
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!