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Leona [35]
3 years ago
9

Evaluate the variable expression when a = 5, b = 5, and c = -4. Bc divided by (2a)

Mathematics
2 answers:
zlopas [31]3 years ago
6 0

Answer:

-2

Step-by-step explanation:

Bc÷2a

5×-4÷2×5

-20÷10

-2

Leno4ka [110]3 years ago
5 0
The answer is -2 because it is
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Solve pls brainliest
kakasveta [241]

Answer:

20/25

Step-by-step explanation:

divide the denominators

25/5=5

multiply the numerator

4*5=20

6 0
2 years ago
Which cypress ion is equivalent to 4(x+2) ?<br> 6x<br> 4(x)+4(2)<br> 4(x)+4<br> 8x
jenyasd209 [6]

Answer:

4(x) + 4(2)

Step-by-step explanation:

4(x+2) = 4(x) + 4(2)

Distribution property

5 0
3 years ago
Really need help with this .
lions [1.4K]

Answer:

Step-by-step explanation:

The attached photo shows the diagram of quadrilateral QRST with more illustrations.

Line RT divides the quadrilateral into 2 congruent triangles QRT and SRT. The sum of the angles in each triangle is 180 degrees(98 + 50 + 32)

The area of the quadrilateral = 2 × area of triangle QRT = 2 × area of triangle SRT

Using sine rule,

q/SinQ = t/SinT = r/SinR

24/sin98 = QT/sin50

QT = r = sin50 × 24.24 = 18.57

Also

24/sin98 = QR/sin32

QR = t = sin32 × 24.24 = 12.84

Let us find area of triangle QRT

Area of a triangle

= 1/2 abSinC = 1/2 rtSinQ

Area of triangle QRT

= 1/2 × 18.57 × 12.84Sin98

= 118.06

Therefore, area of quadrilateral QRST = 2 × 118.06 = 236.12

6 0
3 years ago
Read 2 more answers
There are 12 boys and 8 girls in a class.
Serga [27]

Answer:12:10

Step-by-step explanation:

6 0
3 years ago
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Rearrange the formula to make x the subject:<br> A = 1/2xy
Maslowich

Answer:

x = \frac{2A}{y}

Step-by-step explanation:

Given

A = \frac{1}{2} xy

Multiply both sides by 2 to clear the fraction

2A = xy ( divide both sides by y )

\frac{2A}{y} = x

3 0
3 years ago
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