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3 years ago

Ive never seen a question like this tbh

Mathematics

2 answers:

Vikki [24]3 years ago

6 0

The formula A=1/2bh is used to find the area of a triangle. You can find from the diagram that the base of this triangle is 9cm, and the height is 4cm. Plug those numbers into the area of a triangle formula.

A=1/2(9)(4)

Multiply to get 18 square cm, which is choice D.

bulgar [2K]3 years ago

4 0

Easiest question I have ever seen! :)
We know the formula of the area of a triangle
= $\frac{1}{2}$ ×base×height
The height given is 4 cm (we should take the perpendicular height)
And the base length is 8 cm
Simply, we just substitute the given numbers
= $\frac{1}{2}$ ×8×4
=18 cm²
The answer is D: 18 square m

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John joined a fitness club that has a membership fee of $30 +25 per month. Mary’s club has a fee of 50 and charges 15 per month.

zmey [24]

Just solve until the answers are the same

25 times x plus 30 for John

15 times x plus 50 for Mary

8 0

3 years ago

Help!! which expression is equivalent to (m^5 n /pq^2) ^4

lana66690 [7]

$\text{Use:}\\\\\left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}\\\\(a\cdot b)^n=a^n\cdot b^n\\\\(a^n)^m=a^{nm}\\\\......................................................\\\\\left(\dfrac{m^5n}{pq^2}\right)^4=\dfrac{(m^5n)^4}{(pq^2)^4}=\dfrac{(m^5)^4n^4}{p^4(q^2)^4}=\dfrac{m^{20}n^4}{p^4q^8}$

8 0

3 years ago

What is the value of the function y 2x – 3 when x = -5? A -5 B -1 C 2 D 3

aleksklad [387]

Answer:

The answer is -1 (B)

5 0

3 years ago

Read 2 more answers

A mother had a girl named Mia when she was 18. Four years later, when she was twenty two, she had triplets. Then a year later, a

dexar [7]

She was 22 when she had triplets
so if the triplets are 12 then just add
22+12=34
or when she had Mia she was 18
if Mia is 16 then add
18+16=34
Also, she had another child at 23
if the child is 11 then add
23+11=34
Hope it helps! :)

3 0

3 years ago

Read 2 more answers

3) 14, 9, 20, 5, 17, 13 mean: median: mode: range:

Korolek [52]

Answer:

mean: 13

range: 15

there is no mode

median: 13.5

Step-by-step explanation:

mean= 14+9+20+5+17+13 = 78

78÷6= 13

range = highest number minus the smallest number

20-5 = 15

the mode is the number that occurs the most

median= 13+14= 27

27÷2 = 13.5

7 0

3 years ago