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Alex Ar [27]
3 years ago
6

Hey please help me , this is my exam

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
7 0

Answer:

B) 5

Step-by-step explanation:

f(-2) = (-2)² + 5•(-2) +11

f(-2) = 4 -10 +11

f(-2) = 5

Zielflug [23.3K]3 years ago
6 0
<h2><u> </u><u>Answer</u> :</h2>

The Correct option is :

\boxed{ \boxed{ \mathrm{B. \:  \:  \: 5}}}

<h2><u>Solution</u> : </h2>

Plugging the value of "x" as "-2" in the equation, we get :

\longrightarrow {x}^{2}  + 5x + 11

\longrightarrow( - 2) {}^{2}  + (5 \times  - 2) + 11

\longrightarrow4 - 10 + 11

\longrightarrow5

\mathfrak{\orange{\underline{hope \:\; it\:\:helps\:\;you.....}}}

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Tommy buys a football for $20 plus 8% tax John buys a helmet for $25 plus 8% tax what is the difference in the amount Tommy and
max2010maxim [7]

Answer:

$5.40

Step-by-step explanation:

First, figure out the cost of the items with tax; for Tommy we have 20*0.08 = 1.6, add that 1.6 to the 20 and his purchase is $21.6, for John we have 25*0.08 = 2, add 2 to his 25 and his purchase is $27. To find the difference we subtract 27-21.6 = 5.4 or $5.40

3 0
3 years ago
a baker made cakes, cookies, and bread, of the total number of baked products he made, 28% more cookies. The number of cakes was
Shalnov [3]

Answer:

40

Step-by-step explanation:

The bread is 90.

28% is cookie

Then 72 %is bread and cake

Sum of bread and cake is 360

1%is 5 so cookie is 140

If sell 40 bread. Bread left is 50. Cake left is 150

Then cookie must be left 100 because the ratio of the no 1 is =to 50

Then need to sell 40 cookie so the ratio will be

50:150:100= 1:3:2

6 0
3 years ago
8 identical shirts cost a total of $152. How much does 1 shirt cost?
cestrela7 [59]

Answer:

$19 bc you divide 152/8 to get your unit rate,(for one) which is 19

6 0
3 years ago
Read 2 more answers
Even more math.......
Over [174]

Answer:

A

Step-by-step explanation:

We don't know the height of the building, and it's changeable because we multiplied it by 1/2, also, the rest of the values are revealed, so the answer is A.

4 0
3 years ago
A shirt that normally sells for $28.00 before discount was priced at $22.95 after discount what is the percent saved?
WITCHER [35]
Discount = 28.00 - 22.95 = $5.05

Percent saved  = 5.05*100 / 28  =   18.04%  <-----
4 0
3 years ago
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