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wlad13 [49]
2 years ago
8

Solve for a:9+2a = -3-4a​

Mathematics
1 answer:
lubasha [3.4K]2 years ago
5 0

Answer:

a=-2

Step-by-step explanation:

Let me know if you need the steps tho.

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In fig. AB = AC, D is the midpoint of BC.<br><br> (i)Is  ADB ADC (ii) Is ∠B =∠C?
dexar [7]

Answer:

(i) Yes

(ii) Yes

Step-by-step explanation:

We are given that

AB=AC

(i)D is the mid-point of BC

BD=DC

In triangle ADB and triangle ADC

AD=AD

Reason: Reflexive property

BD=DC

Reason:Given

AB=AC

Reason: Given

\triangleADB\cong\triangleADC

Reason:SSS postulate

Yes, triangle ADB is congruent to triangle ADC

(ii) Angle B=Angle C

Reason: CPCT

Yes , angle B=angle C

3 0
3 years ago
Anybody knows how to do this??
Olegator [25]

Answer:

nopee sorry

Step-by-step explanation:

8 0
3 years ago
Sandra buys stamps that cost $0.65 each. She spends a total of $158.60 on the stamps. To determine how many stamps she buys, she
Mashutka [201]

Answer:

1 Stamp = $0.65

Stamps Bought= $158.60/0.65

=244 Stamps

4 0
2 years ago
What unbalanced force is required to accelerate a 1500 kg race car at 3.00 m/s/s?
AfilCa [17]
Answer:166.66

Step by step explanation
4 0
3 years ago
Baseball hat is on sale for 15% off, which is $2.70. How much does the baseball hat cost at full price?
lidiya [134]

Answer:

27.9 dollars

Step-by-step explanation:

2.70= 15 percent

2.70x2=5.4=30 percent

5.4+2.70=8.1=45 percent

8.1x2=16.2=95 percent

95 percent + 15 percent=18.9

18.9=105 percent

in order to subtract 5 percent we need to find 5 percent by dividing 2.70 by 3

which = .9

18.9+9=27.9

100 percent is 27.9 dollars

4 0
2 years ago
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