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umka21 [38]
2 years ago
12

ABC is a straight line. BD=BC Angle ADB=80° Angle BDC=20° Work out the size of the angle marked x. Give reason for your answer.

​

Mathematics
1 answer:
fredd [130]2 years ago
3 0

Answer:

hai

Step-by-step explanation:

Pak Awi mau beli jam tangan Rolex hulk submarine dengan harga 300jt. Dia mau beli 2 tahun lagi

dengan asumsi harga jam naik 2% / tahun. Future Value

Uang pak awi sekarang hanya 100jt, berapa yang harus pak awi tabung tiap bulan nya agar 2 tahun lagi

dia bisa beli jam tangan tersebut, jika bunga tahunan adalah 15% / tahun (pajak = 10%) ??? Present

value. Future value. Present value annuity.

Bunga di terima per bulan, dan tetap di gulung.

Ya Berapa yang dia tabung tiap bulan

-pakai tabel

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A total of 75 cookies and cakes were donated for a bake sale to raise money for the football team. There were four times as many
MArishka [77]

Answer:

60

Step-by-step explanation:

15*4 = 60

15+60= 75

6 0
3 years ago
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10. if ABC is equilaterteral, solve for x​
djyliett [7]

Answer:

13

Step-by-step explanation:

If ABC is equilaterteral then all the angles must be equal and 60°

8x - 44 = 60 add 44 to both sides

8x = 104 divide both sides by 8

x = 13

8 0
3 years ago
Evaluate 2/5 log 32 + (log 9 )/log 3) Please Show Working?
sattari [20]

Simplify the expression

exact form:

log(4)+log(9)/log(3)

Decimal Form:

2.60205999 . . .

Hope this helps! :)

~Zane

6 0
3 years ago
Find the length of CU, the triangles are similar.
Otrada [13]

Answer:

CU = 117

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{WC}{WU} = \frac{CD}{UV}

substituting in values to the ratios

\frac{26}{36x-1} = \frac{24}{132} ( cross- multiply )

24(36x - 1) = 3432 ( divide both sides by 24 )

36x - 1 = 143 ( add 1 to both sides )

36x = 144 ( divide both sides by 36 )

x = 4

CU = 36x - 1 - 26 = (36 × 4) - 27 = 144 - 27 = 117


3 0
3 years ago
Your school wants to take out an ad in the paper congratulating the basketball team on a successful season, as shown to the righ
Greeley [361]

Answer:

(7  -  x)(4  -  x) \\ 28  -  7x  -  4x   +  x {}^{2}  \\ x {}^{2}   - 11x   +  28 = 0 \\ x {}^{2}   -  7x  - 4x + 28 = 0 \\ x (x - 7) - 4(x - 7 )= 0 \\ (x - 4)(x - 7) = 0 \\

the value of x is 7 or 4

4 0
3 years ago
Read 2 more answers
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